Base | Representation |
---|---|
bin | 100101101101101011… |
… | …1000110100000000111 |
3 | 21202001022100220101222 |
4 | 1023123113012200013 |
5 | 2311331324140300 |
6 | 101112305510555 |
7 | 5564666620652 |
oct | 1133327064007 |
9 | 252038326358 |
10 | 80989677575 |
11 | 3139061a534 |
12 | 1384334245b |
13 | 7839199751 |
14 | 3cc439a899 |
15 | 2190311785 |
hex | 12db5c6807 |
80989677575 has 6 divisors (see below), whose sum is σ = 100427200224. Its totient is φ = 64791742040.
The previous prime is 80989677569. The next prime is 80989677581. The reversal of 80989677575 is 57577698908.
It is an interprime number because it is at equal distance from previous prime (80989677569) and next prime (80989677581).
It is not a de Polignac number, because 80989677575 - 230 = 79915935751 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 80989677499 and 80989677508.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1619793527 + ... + 1619793576.
It is an arithmetic number, because the mean of its divisors is an integer number (16737866704).
Almost surely, 280989677575 is an apocalyptic number.
80989677575 is a deficient number, since it is larger than the sum of its proper divisors (19437522649).
80989677575 is a wasteful number, since it uses less digits than its factorization.
80989677575 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3239587113 (or 3239587108 counting only the distinct ones).
The product of its (nonzero) digits is 266716800, while the sum is 71.
The spelling of 80989677575 in words is "eighty billion, nine hundred eighty-nine million, six hundred seventy-seven thousand, five hundred seventy-five".
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