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30143234002400 = 25521671031218839
BaseRepresentation
bin1101101101010010001001…
…10000010100110111100000
310221201122221210201222111222
412312221010300110313200
512422331320401034100
6144035335512554212
76230530303334021
oct666510460246740
9127648853658458
1030143234002400
119671745842052
123469b640b2968
1313a865801671c
14762d242d4c48
153741648b3485
hex1b6a44c14de0

30143234002400 has 144 divisors (see below), whose sum is σ = 74099952299520. Its totient is φ = 11973414796800.

The previous prime is 30143234002367. The next prime is 30143234002463. The reversal of 30143234002400 is 420043234103.

It is a super-2 number, since 2×301432340024002 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30143234002400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137632181 + ... + 137851019.

It is an arithmetic number, because the mean of its divisors is an integer number (514583002080).

Almost surely, 230143234002400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30143234002400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37049976149760).

30143234002400 is an abundant number, since it is smaller than the sum of its proper divisors (43956718297120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30143234002400 is a wasteful number, since it uses less digits than its factorization.

30143234002400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220057 (or 220044 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 30143234002400 its reverse (420043234103), we get a palindrome (30563277236503).

The spelling of 30143234002400 in words is "thirty trillion, one hundred forty-three billion, two hundred thirty-four million, two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 167 200 334 400 668 800 835 1031 1336 1670 2062 2672 3340 4124 4175 5155 5344 6680 8248 8350 10310 13360 16496 16700 20620 25775 26720 32992 33400 41240 51550 66800 82480 103100 133600 164960 172177 206200 218839 344354 412400 437678 688708 824800 860885 875356 1094195 1377416 1721770 1750712 2188390 2754832 3443540 3501424 4304425 4376780 5470975 5509664 6887080 7002848 8608850 8753560 10941950 13774160 17217700 17507120 21883900 27548320 34435400 35014240 36546113 43767800 68870800 73092226 87535600 137741600 146184452 175071200 182730565 225623009 292368904 365461130 451246018 584737808 730922260 902492036 913652825 1128115045 1169475616 1461844520 1804984072 1827305650 2256230090 2923689040 3609968144 3654611300 4512460180 5640575225 5847378080 7219936288 7309222600 9024920360 11281150450 14618445200 18049840720 22562300900 29236890400 36099681440 37679042503 45124601800 75358085006 90249203600 150716170012 180498407200 188395212515 301432340024 376790425030 602864680048 753580850060 941976062575 1205729360096 1507161700120 1883952125150 3014323400240 3767904250300 6028646800480 7535808500600 15071617001200 30143234002400