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30345104000 = 27536728307
BaseRepresentation
bin11100010000101101…
…011000101010000000
32220022210200000001202
4130100231120222000
5444121321312000
621535040520332
72122660061651
oct342055305200
986283600052
1030345104000
1111962024852
125a6a6200a8
132b27a25953
14167c1dd528
15bc9096dd5
hex710b58a80

30345104000 has 128 divisors (see below), whose sum is σ = 76574272320. Its totient is φ = 11956454400.

The previous prime is 30345103979. The next prime is 30345104047. The reversal of 30345104000 is 40154303.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057847 + ... + 1086153.

Almost surely, 230345104000 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 30345104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38287136160).

30345104000 is an abundant number, since it is smaller than the sum of its proper divisors (46229168320).

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

30345104000 is an equidigital number, since it uses as much as digits as its factorization.

30345104000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28403 (or 28381 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 30345104000 its reverse (40154303), we get a palindrome (30385258303).

The spelling of 30345104000 in words is "thirty billion, three hundred forty-five million, one hundred four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 125 128 134 160 200 250 268 320 335 400 500 536 640 670 800 1000 1072 1340 1600 1675 2000 2144 2680 3200 3350 4000 4288 5360 6700 8000 8375 8576 10720 13400 16000 16750 21440 26800 28307 33500 42880 53600 56614 67000 107200 113228 134000 141535 214400 226456 268000 283070 452912 536000 566140 707675 905824 1072000 1132280 1415350 1811648 1896569 2264560 2830700 3538375 3623296 3793138 4529120 5661400 7076750 7586276 9058240 9482845 11322800 14153500 15172552 18116480 18965690 22645600 28307000 30345104 37931380 45291200 47414225 56614000 60690208 75862760 90582400 94828450 113228000 121380416 151725520 189656900 226456000 237071125 242760832 303451040 379313800 452912000 474142250 606902080 758627600 948284500 1213804160 1517255200 1896569000 3034510400 3793138000 6069020800 7586276000 15172552000 30345104000