Base | Representation |
---|---|
bin | 100100110110111010… |
… | …1011010110000001111 |
3 | 21120022020200212111122 |
4 | 1021231311122300033 |
5 | 2244100421143322 |
6 | 100210104511155 |
7 | 5501315004401 |
oct | 1115565326017 |
9 | 246266625448 |
10 | 79152131087 |
11 | 30628350677 |
12 | 1340ba7b4bb |
13 | 7605591833 |
14 | 3b8c30cb71 |
15 | 20d3d3d442 |
hex | 126dd5ac0f |
79152131087 has 8 divisors (see below), whose sum is σ = 83829157632. Its totient is φ = 74477440000.
The previous prime is 79152131083. The next prime is 79152131111. The reversal of 79152131087 is 78013125197.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 79152131087 - 22 = 79152131083 is a prime.
It is a super-2 number, since 2×791521310872 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79152131083) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513839 + ... + 649872.
It is an arithmetic number, because the mean of its divisors is an integer number (10478644704).
Almost surely, 279152131087 is an apocalyptic number.
79152131087 is a deficient number, since it is larger than the sum of its proper divisors (4677026545).
79152131087 is a wasteful number, since it uses less digits than its factorization.
79152131087 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1167729.
The product of its (nonzero) digits is 105840, while the sum is 44.
The spelling of 79152131087 in words is "seventy-nine billion, one hundred fifty-two million, one hundred thirty-one thousand, eighty-seven".
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