Base | Representation |
---|---|
bin | 11101001100110110… |
… | …010101110010110010 |
3 | 2222221010020112011000 |
4 | 131030312111302302 |
5 | 1003203121201110 |
6 | 22223122502430 |
7 | 2156661215106 |
oct | 351466256262 |
9 | 88833215130 |
10 | 31354084530 |
11 | 1232a62185a |
12 | 60b0504a16 |
13 | 2c58a88652 |
14 | 1736207906 |
15 | c3794e1c0 |
hex | 74cd95cb2 |
31354084530 has 64 divisors (see below), whose sum is σ = 85870673280. Its totient is φ = 8135111232.
The previous prime is 31354084523. The next prime is 31354084549. The reversal of 31354084530 is 3548045313.
31354084530 is a `hidden beast` number, since 3 + 1 + 3 + 5 + 40 + 84 + 530 = 666.
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 31 ways as a sum of consecutive naturals, for example, 1559284 + ... + 1579263.
It is an arithmetic number, because the mean of its divisors is an integer number (1341729270).
Almost surely, 231354084530 is an apocalyptic number.
31354084530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31354084530 is an abundant number, since it is smaller than the sum of its proper divisors (54516588750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31354084530 is a wasteful number, since it uses less digits than its factorization.
31354084530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3138600 (or 3138594 counting only the distinct ones).
The product of its (nonzero) digits is 86400, while the sum is 36.
The spelling of 31354084530 in words is "thirty-one billion, three hundred fifty-four million, eighty-four thousand, five hundred thirty".
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