Base | Representation |
---|---|
bin | 100101001111110011… |
… | …0001100010011001111 |
3 | 21122110102122122002000 |
4 | 1022133212030103033 |
5 | 2302303133004102 |
6 | 100425011003343 |
7 | 5531103200160 |
oct | 1123746142317 |
9 | 248412578060 |
10 | 79987000527 |
11 | 30a16638415 |
12 | 13603599553 |
13 | 7709532c15 |
14 | 3c2b153767 |
15 | 21322a201c |
hex | 129f98c4cf |
79987000527 has 128 divisors (see below), whose sum is σ = 145566720000. Its totient is φ = 42396431616.
The previous prime is 79987000487. The next prime is 79987000531. The reversal of 79987000527 is 72500078997.
It is not a de Polignac number, because 79987000527 - 211 = 79986998479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (79987000567) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34195924 + ... + 34198262.
It is an arithmetic number, because the mean of its divisors is an integer number (1137240000).
Almost surely, 279987000527 is an apocalyptic number.
79987000527 is a deficient number, since it is larger than the sum of its proper divisors (65579719473).
79987000527 is a wasteful number, since it uses less digits than its factorization.
79987000527 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2570 (or 2564 counting only the distinct ones).
The product of its (nonzero) digits is 2222640, while the sum is 54.
The spelling of 79987000527 in words is "seventy-nine billion, nine hundred eighty-seven million, five hundred twenty-seven", and thus it is an aban number.
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