Base | Representation |
---|---|
bin | 11101001100100010… |
… | …011000101011010100 |
3 | 2222220202101202110200 |
4 | 131030202120223110 |
5 | 1003200301302320 |
6 | 22222414420500 |
7 | 2156565600141 |
oct | 351442305324 |
9 | 88822352420 |
10 | 31348853460 |
11 | 12327679661 |
12 | 60aa801730 |
13 | 2c57976642 |
14 | 17356453c8 |
15 | c37269290 |
hex | 74c898ad4 |
31348853460 has 72 divisors (see below), whose sum is σ = 95183612160. Its totient is φ = 8351598528.
The previous prime is 31348853423. The next prime is 31348853527. The reversal of 31348853460 is 6435884313.
31348853460 is a `hidden beast` number, since 3 + 1 + 34 + 88 + 534 + 6 + 0 = 666.
It is a super-2 number, since 2×313488534602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103209 + ... + 270831.
Almost surely, 231348853460 is an apocalyptic number.
31348853460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31348853460 is an abundant number, since it is smaller than the sum of its proper divisors (63834758700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31348853460 is a wasteful number, since it uses less digits than its factorization.
31348853460 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 168677 (or 168672 counting only the distinct ones).
The product of its (nonzero) digits is 829440, while the sum is 45.
The spelling of 31348853460 in words is "thirty-one billion, three hundred forty-eight million, eight hundred fifty-three thousand, four hundred sixty".
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