Base | Representation |
---|---|
bin | 100001111111001100… |
… | …1010011110011101100 |
3 | 20222101121220101210221 |
4 | 1003332121103303230 |
5 | 2143434301234312 |
6 | 53310251541124 |
7 | 5162461502062 |
oct | 1037631236354 |
9 | 228347811727 |
10 | 72987524332 |
11 | 28a54611348 |
12 | 1218b45a7a4 |
13 | 6b62381528 |
14 | 37656d2032 |
15 | 1d72a3d207 |
hex | 10fe653cec |
72987524332 has 12 divisors (see below), whose sum is σ = 128733902080. Its totient is φ = 36206409456.
The previous prime is 72987524263. The next prime is 72987524333. The reversal of 72987524332 is 23342578927.
It is a super-2 number, since 2×729875243322 (a number of 23 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 72987524332.
It is not an unprimeable number, because it can be changed into a prime (72987524333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71837607 + ... + 71838622.
Almost surely, 272987524332 is an apocalyptic number.
It is an amenable number.
72987524332 is a deficient number, since it is larger than the sum of its proper divisors (55746377748).
72987524332 is a wasteful number, since it uses less digits than its factorization.
72987524332 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143676360 (or 143676358 counting only the distinct ones).
The product of its digits is 5080320, while the sum is 52.
The spelling of 72987524332 in words is "seventy-two billion, nine hundred eighty-seven million, five hundred twenty-four thousand, three hundred thirty-two".
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