Base | Representation |
---|---|
bin | 1101011110000100111… |
… | …1100001010000100000 |
3 | 211010022111220012222102 |
4 | 3113201033201100200 |
5 | 12242413011134142 |
6 | 254150450425532 |
7 | 22501416214211 |
oct | 3274117412040 |
9 | 733274805872 |
10 | 231412208672 |
11 | 8a161182537 |
12 | 38a235922a8 |
13 | 18a8c1489b8 |
14 | b2b3cd9408 |
15 | 6046055532 |
hex | 35e13e1420 |
231412208672 has 54 divisors (see below), whose sum is σ = 458737706637. Its totient is φ = 114912860544.
The previous prime is 231412208647. The next prime is 231412208701. The reversal of 231412208672 is 276802214132.
It is a happy number.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 203108856976 + 28303351696 = 450676^2 + 168236^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=340156.
It is a super-2 number, since 2×2314122086722 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 753785543 + ... + 753785849.
Almost surely, 2231412208672 is an apocalyptic number.
It is an amenable number.
231412208672 is a deficient number, since it is larger than the sum of its proper divisors (227325497965).
231412208672 is an frugal number, since it uses more digits than its factorization.
231412208672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1178 (or 586 counting only the distinct ones).
The product of its (nonzero) digits is 64512, while the sum is 38.
The spelling of 231412208672 in words is "two hundred thirty-one billion, four hundred twelve million, two hundred eight thousand, six hundred seventy-two".
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