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30751128613832 = 231132887972259
BaseRepresentation
bin1101111110111110011100…
…00110001111001111001000
311000212210001000200211222012
412333133032012033033020
513012311302411120312
6145222512400115052
76322460430304634
oct677371606171710
9130783030624865
1030751128613832
119886531471000
123547936905a88
131420a85407933
14784510c4bdc4
15384d92860322
hex1bf7ce18f3c8

30751128613832 has 32 divisors (see below), whose sum is σ = 63419870829600. Its totient is φ = 13977785728720.

The previous prime is 30751128613801. The next prime is 30751128613967. The reversal of 30751128613832 is 23831682115703.

It is a super-2 number, since 2×307511286138322 (a number of 28 digits) contains 22 as substring.

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, 1443975482 + ... + 1443996777.

It is an arithmetic number, because the mean of its divisors is an integer number (1981870963425).

Almost surely, 230751128613832 is an apocalyptic number.

It is an amenable number.

30751128613832 is an abundant number, since it is smaller than the sum of its proper divisors (32668742215768).

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

30751128613832 is a wasteful number, since it uses less digits than its factorization.

30751128613832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887972298 (or 2887972272 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 30751128613832 in words is "thirty trillion, seven hundred fifty-one billion, one hundred twenty-eight million, six hundred thirteen thousand, eight hundred thirty-two".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 968 1331 2662 5324 10648 2887972259 5775944518 11551889036 23103778072 31767694849 63535389698 127070779396 254141558792 349444643339 698889286678 1397778573356 2795557146712 3843891076729 7687782153458 15375564306916 30751128613832