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30251232325340 = 22513791747843043
BaseRepresentation
bin1101110000011011010011…
…11101001110111011011100
310222002222201101122020011122
412320031221331032323130
512431114010433402330
6144201120235510112
76241402511046215
oct670155175167334
9128088641566148
1030251232325340
119703525aaa5a4
123486a845b8338
1313b58a98ccb20
1476824b70440c
15376d85db65e5
hex1b8369f4eedc

30251232325340 has 96 divisors (see below), whose sum is σ = 69320068500480. Its totient is φ = 11021971574016.

The previous prime is 30251232325313. The next prime is 30251232325421. The reversal of 30251232325340 is 4352323215203.

It is a super-2 number, since 2×302512323253402 (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 30251232325340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35461859 + ... + 36304901.

It is an arithmetic number, because the mean of its divisors is an integer number (722084046880).

Almost surely, 230251232325340 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 30251232325340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34660034250240).

30251232325340 is an abundant number, since it is smaller than the sum of its proper divisors (39068836175140).

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

30251232325340 is a wasteful number, since it uses less digits than its factorization.

30251232325340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844891 (or 844889 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 30251232325340 in words is "thirty trillion, two hundred fifty-one billion, two hundred thirty-two million, three hundred twenty-five thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 79 130 158 260 316 395 790 1027 1580 1747 2054 3494 4108 5135 6988 8735 10270 17470 20540 22711 34940 45422 90844 113555 138013 227110 276026 454220 552052 690065 843043 1380130 1686086 1794169 2760260 3372172 3588338 4215215 7176676 8430430 8970845 10959559 16860860 17941690 21919118 35883380 43838236 54797795 66600397 109595590 133200794 219191180 266401588 333001985 666003970 865805161 1332007940 1472796121 1731610322 2945592242 3463220644 4329025805 5891184484 7363980605 8658051610 14727961210 17316103220 19146349573 29455922420 38292699146 76585398292 95731747865 116350893559 191463495730 232701787118 382926991460 465403574236 581754467795 1163508935590 1512561616267 2327017871180 3025123232534 6050246465068 7562808081335 15125616162670 30251232325340