Base | Representation |
---|---|
bin | 1101011100001111110… |
… | …0011101111000001111 |
3 | 211002001020222201022100 |
4 | 3113003330131320033 |
5 | 12240411143043311 |
6 | 254030011250143 |
7 | 22453300231020 |
oct | 3270374357017 |
9 | 732036881270 |
10 | 230920674831 |
11 | 89a29778920 |
12 | 38906a49953 |
13 | 18a11369282 |
14 | b268908c47 |
15 | 6017d10a56 |
hex | 35c3f1de0f |
230920674831 has 48 divisors (see below), whose sum is σ = 415940728320. Its totient is φ = 119934682560.
The previous prime is 230920674823. The next prime is 230920674893. The reversal of 230920674831 is 138476029032.
230920674831 is a `hidden beast` number, since 23 + 0 + 92 + 0 + 67 + 483 + 1 = 666.
It is not a de Polignac number, because 230920674831 - 23 = 230920674823 is a prime.
It is a super-2 number, since 2×2309206748312 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230920674731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3720430 + ... + 3781988.
It is an arithmetic number, because the mean of its divisors is an integer number (8665431840).
Almost surely, 2230920674831 is an apocalyptic number.
230920674831 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
230920674831 is a deficient number, since it is larger than the sum of its proper divisors (185020053489).
230920674831 is a wasteful number, since it uses less digits than its factorization.
230920674831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66996 (or 66993 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 45.
The spelling of 230920674831 in words is "two hundred thirty billion, nine hundred twenty million, six hundred seventy-four thousand, eight hundred thirty-one".
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