Base | Representation |
---|---|
bin | 100001110001010001… |
… | …0110010001101101101 |
3 | 20221012001122012121200 |
4 | 1003202202302031231 |
5 | 2142010140334000 |
6 | 53152040320113 |
7 | 5145055630665 |
oct | 1034242621555 |
9 | 227161565550 |
10 | 72520246125 |
11 | 28834874308 |
12 | 1207aa73039 |
13 | 6ab9615252 |
14 | 371d6171a5 |
15 | 1d469da500 |
hex | 10e28b236d |
72520246125 has 48 divisors (see below), whose sum is σ = 130763006400. Its totient is φ = 38667650400.
The previous prime is 72520246079. The next prime is 72520246129. The reversal of 72520246125 is 52164202527.
72520246125 is a `hidden beast` number, since 7 + 2 + 520 + 2 + 4 + 6 + 125 = 666.
It is not a de Polignac number, because 72520246125 - 27 = 72520245997 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 72520246125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72520246129) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 7441506 + ... + 7451244.
It is an arithmetic number, because the mean of its divisors is an integer number (2724229300).
Almost surely, 272520246125 is an apocalyptic number.
72520246125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
72520246125 is a deficient number, since it is larger than the sum of its proper divisors (58242760275).
72520246125 is a wasteful number, since it uses less digits than its factorization.
72520246125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16379 (or 16366 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The spelling of 72520246125 in words is "seventy-two billion, five hundred twenty million, two hundred forty-six thousand, one hundred twenty-five".
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