Base | Representation |
---|---|
bin | 10010011010011000011110… |
… | …100000100111010010111111 |
3 | 101121201101220212121012001021 |
4 | 102122120132200213102333 |
5 | 41103220041231433311 |
6 | 444120411021325011 |
7 | 23025311666540605 |
oct | 2232303640472277 |
9 | 347641825535037 |
10 | 80977825264831 |
11 | 23890559302320 |
12 | 90ba065a06767 |
13 | 362523a029391 |
14 | 15dd4c1d73875 |
15 | 956644558171 |
hex | 49a61e8274bf |
80977825264831 has 16 divisors (see below), whose sum is σ = 90394645448448. Its totient is φ = 71903568441600.
The previous prime is 80977825264829. The next prime is 80977825264877. The reversal of 80977825264831 is 13846252877908.
It is a cyclic number.
It is not a de Polignac number, because 80977825264831 - 21 = 80977825264829 is a prime.
It is a super-2 number, since 2×809778252648312 (a number of 29 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80977825274831) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58003311 + ... + 59382991.
It is an arithmetic number, because the mean of its divisors is an integer number (5649665340528).
It is a 1-persistent number, because it is pandigital, but 2⋅80977825264831 = 161955650529662 is not.
Almost surely, 280977825264831 is an apocalyptic number.
80977825264831 is a deficient number, since it is larger than the sum of its proper divisors (9416820183617).
80977825264831 is a wasteful number, since it uses less digits than its factorization.
80977825264831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1503822.
The product of its (nonzero) digits is 325140480, while the sum is 70.
The spelling of 80977825264831 in words is "eighty trillion, nine hundred seventy-seven billion, eight hundred twenty-five million, two hundred sixty-four thousand, eight hundred thirty-one".
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