Base | Representation |
---|---|
bin | 100101101010111010… |
… | …0111100010011011111 |
3 | 21201210211200002211220 |
4 | 1023111310330103133 |
5 | 2311134042234311 |
6 | 101055151544423 |
7 | 5562461524146 |
oct | 1132564742337 |
9 | 251724602756 |
10 | 80896836831 |
11 | 31343178948 |
12 | 1381822b113 |
13 | 7822b917b5 |
14 | 3cb5d1075d |
15 | 21870c3206 |
hex | 12d5d3c4df |
80896836831 has 16 divisors (see below), whose sum is σ = 109440927744. Its totient is φ = 53143349184.
The previous prime is 80896836829. The next prime is 80896836851. The reversal of 80896836831 is 13863869808.
It is not a de Polignac number, because 80896836831 - 21 = 80896836829 is a prime.
It is a super-2 number, since 2×808968368312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80896836851) 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, 68140 + ... + 407966.
It is an arithmetic number, because the mean of its divisors is an integer number (6840057984).
Almost surely, 280896836831 is an apocalyptic number.
80896836831 is a deficient number, since it is larger than the sum of its proper divisors (28544090913).
80896836831 is a wasteful number, since it uses less digits than its factorization.
80896836831 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 340990.
The product of its (nonzero) digits is 11943936, while the sum is 60.
The spelling of 80896836831 in words is "eighty billion, eight hundred ninety-six million, eight hundred thirty-six thousand, eight hundred thirty-one".
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