Base | Representation |
---|---|
bin | 11100111011010111… |
… | …100101000110100100 |
3 | 2222011200101112112000 |
4 | 130323113211012210 |
5 | 1002103031324400 |
6 | 22134044525300 |
7 | 2146500340560 |
oct | 347327450644 |
9 | 88150345460 |
10 | 31060808100 |
11 | 1219a01a943 |
12 | 602a250830 |
13 | 2c100a2cba |
14 | 17092a46a0 |
15 | c1bd1c600 |
hex | 73b5e51a4 |
31060808100 has 288 divisors, whose sum is σ = 117206664960. Its totient is φ = 6907576320.
The previous prime is 31060808071. The next prime is 31060808111. The reversal of 31060808100 is 180806013.
It is a super-2 number, since 2×310608081002 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 677092 + ... + 721508.
Almost surely, 231060808100 is an apocalyptic number.
31060808100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31060808100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58603332480).
31060808100 is an abundant number, since it is smaller than the sum of its proper divisors (86145856860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31060808100 is a wasteful number, since it uses less digits than its factorization.
31060808100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44484 (or 44471 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
It can be divided in two parts, 31060 and 808100, that added together give a triangular number (839160 = T1295).
The spelling of 31060808100 in words is "thirty-one billion, sixty million, eight hundred eight thousand, one hundred".
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