Base | Representation |
---|---|
bin | 1101111110111110011100… |
… | …00110001111001111001000 |
3 | 11000212210001000200211222012 |
4 | 12333133032012033033020 |
5 | 13012311302411120312 |
6 | 145222512400115052 |
7 | 6322460430304634 |
oct | 677371606171710 |
9 | 130783030624865 |
10 | 30751128613832 |
11 | 9886531471000 |
12 | 3547936905a88 |
13 | 1420a85407933 |
14 | 784510c4bdc4 |
15 | 384d92860322 |
hex | 1bf7ce18f3c8 |
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".
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