Base | Representation |
---|---|
bin | 100101111011101100… |
… | …1101111100010111000 |
3 | 21210021002121110120211 |
4 | 1023313121233202320 |
5 | 2313312243211044 |
6 | 101231113200504 |
7 | 5612441461165 |
oct | 1136731574270 |
9 | 253232543524 |
10 | 81460132024 |
11 | 31602136967 |
12 | 13954a00134 |
13 | 78b27a866b |
14 | 3d2aa6106c |
15 | 21bb790634 |
hex | 12f766f8b8 |
81460132024 has 16 divisors (see below), whose sum is σ = 161722321200. Its totient is φ = 38334179712.
The previous prime is 81460132021. The next prime is 81460132027. The reversal of 81460132024 is 42023106418.
It is an interprime number because it is at equal distance from previous prime (81460132021) and next prime (81460132027).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81460132021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299485644 + ... + 299485915.
It is an arithmetic number, because the mean of its divisors is an integer number (10107645075).
Almost surely, 281460132024 is an apocalyptic number.
It is an amenable number.
81460132024 is a deficient number, since it is larger than the sum of its proper divisors (80262189176).
81460132024 is a wasteful number, since it uses less digits than its factorization.
81460132024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598971582 (or 598971578 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The spelling of 81460132024 in words is "eighty-one billion, four hundred sixty million, one hundred thirty-two thousand, twenty-four".
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