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30994622464 = 211134912371
BaseRepresentation
bin11100110111011011…
…000110100000000000
32222000001211221220011
4130313123012200000
51001434110404324
622123322154304
72145034641541
oct346733064000
988001757804
1030994622464
1112165724673
126010052994
132bcc46b6c0
1417005964c8
15c160e6c94
hex7376c6800

30994622464 has 96 divisors (see below), whose sum is σ = 66905485920. Its totient is φ = 14270054400.

The previous prime is 30994622429. The next prime is 30994622497. The reversal of 30994622464 is 46422649903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13071199 + ... + 13073569.

It is an arithmetic number, because the mean of its divisors is an integer number (696932145).

Almost surely, 230994622464 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 30994622464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33452742960).

30994622464 is an abundant number, since it is smaller than the sum of its proper divisors (35910863456).

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

30994622464 is a wasteful number, since it uses less digits than its factorization.

30994622464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2897 (or 2877 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 30994622464 in words is "thirty billion, nine hundred ninety-four million, six hundred twenty-two thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 491 512 832 982 1024 1664 1964 2048 2371 3328 3928 4742 6383 6656 7856 9484 12766 13312 15712 18968 25532 26624 30823 31424 37936 51064 61646 62848 75872 102128 123292 125696 151744 204256 246584 251392 303488 408512 493168 502784 606976 817024 986336 1005568 1164161 1213952 1634048 1972672 2328322 2427904 3268096 3945344 4656644 4855808 6536192 7890688 9313288 13072384 15134093 15781376 18626576 30268186 31562752 37253152 60536372 63125504 74506304 121072744 149012608 242145488 298025216 484290976 596050432 968581952 1192100864 1937163904 2384201728 3874327808 7748655616 15497311232 30994622464