Base | Representation |
---|---|
bin | 100001111000010001… |
… | …0000011110001001000 |
3 | 20221210102020201211202 |
4 | 1003300202003301020 |
5 | 2143000230440104 |
6 | 53231222443332 |
7 | 5153635521446 |
oct | 1036042036110 |
9 | 227712221752 |
10 | 72754936904 |
11 | 289452a0a31 |
12 | 12125593548 |
13 | 6b26127630 |
14 | 3742869b96 |
15 | 1d5c3e851e |
hex | 10f0883c48 |
72754936904 has 16 divisors (see below), whose sum is σ = 146909007420. Its totient is φ = 33579201600.
The previous prime is 72754936901. The next prime is 72754936909. The reversal of 72754936904 is 40963945727.
It can be written as a sum of positive squares in 2 ways, for example, as 60369472804 + 12385464100 = 245702^2 + 111290^2 .
It is a super-2 number, since 2×727549369042 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 72754936904.
It is not an unprimeable number, because it can be changed into a prime (72754936901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349783247 + ... + 349783454.
Almost surely, 272754936904 is an apocalyptic number.
It is an amenable number.
72754936904 is an abundant number, since it is smaller than the sum of its proper divisors (74154070516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72754936904 is a wasteful number, since it uses less digits than its factorization.
72754936904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 699566720 (or 699566716 counting only the distinct ones).
The product of its (nonzero) digits is 11430720, while the sum is 56.
The spelling of 72754936904 in words is "seventy-two billion, seven hundred fifty-four million, nine hundred thirty-six thousand, nine hundred four".
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