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30359872812 = 22317922812
BaseRepresentation
bin11100010001100101…
…101110010100101100
32220100211110100001210
4130101211232110230
5444134111412222
621540325234420
72123226442503
oct342145562454
986324410053
1030359872812
111196a3a1885
125a73562a10
132b2aac6ca9
14168016583a
15bca512d0c
hex71196e52c

30359872812 has 54 divisors (see below), whose sum is σ = 71492083684. Its totient is φ = 10027608640.

The previous prime is 30359872801. The next prime is 30359872831. The reversal of 30359872812 is 21827895303.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 108042112 + ... + 108042392.

Almost surely, 230359872812 is an apocalyptic number.

It is an amenable number.

30359872812 is an abundant number, since it is smaller than the sum of its proper divisors (41132210872).

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

30359872812 is an equidigital number, since it uses as much as digits as its factorization.

30359872812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

Multiplying 30359872812 by its sum of digits (48), we get a square (1457273894976 = 12071762).

The spelling of 30359872812 in words is "thirty billion, three hundred fifty-nine million, eight hundred seventy-two thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 179 281 358 537 562 716 843 1074 1124 1686 2148 3372 32041 50299 64082 78961 96123 100598 128164 150897 157922 192246 201196 236883 301794 315844 384492 473766 603588 947532 9003521 14134019 18007042 27010563 28268038 36014084 42402057 54021126 56536076 84804114 108042252 169608228 2529989401 5059978802 7589968203 10119957604 15179936406 30359872812