Base | Representation |
---|---|
bin | 1110010011100001011111… |
… | …10101100000011100111010 |
3 | 11010101021101101101022212010 |
4 | 13021300233311200130322 |
5 | 13110343212104002420 |
6 | 150523113443230350 |
7 | 6424463220656112 |
oct | 711605765403472 |
9 | 133337341338763 |
10 | 31457143031610 |
11 | a0289991787aa |
12 | 36407316783b6 |
13 | 147251b91ac5a |
14 | 7aa768c36042 |
15 | 39841494c4e0 |
hex | 1c9c2fd6073a |
31457143031610 has 64 divisors (see below), whose sum is σ = 81293035708800. Its totient is φ = 7761310390272.
The previous prime is 31457143031609. The next prime is 31457143031687. The reversal of 31457143031610 is 1613034175413.
It is a super-2 number, since 2×314571430316102 (a number of 28 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522687475 + ... + 522747654.
It is an arithmetic number, because the mean of its divisors is an integer number (1270203682950).
Almost surely, 231457143031610 is an apocalyptic number.
31457143031610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31457143031610 is an abundant number, since it is smaller than the sum of its proper divisors (49835892677190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31457143031610 is a wasteful number, since it uses less digits than its factorization.
31457143031610 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1045435215.
The product of its (nonzero) digits is 90720, while the sum is 39.
The spelling of 31457143031610 in words is "thirty-one trillion, four hundred fifty-seven billion, one hundred forty-three million, thirty-one thousand, six hundred ten".
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