Base | Representation |
---|---|
bin | 11100111111011111… |
… | …101111001010111010 |
3 | 2222100111200122220010 |
4 | 130333133233022322 |
5 | 1002223243232404 |
6 | 22145001042350 |
7 | 2151301050606 |
oct | 347737571272 |
9 | 88314618803 |
10 | 31130055354 |
11 | 12225117382 |
12 | 60494863b6 |
13 | 2c21539cc8 |
14 | 171456c506 |
15 | c22e4a189 |
hex | 73f7ef2ba |
31130055354 has 64 divisors (see below), whose sum is σ = 68106240000. Its totient is φ = 9449421120.
The previous prime is 31130055343. The next prime is 31130055391. The reversal of 31130055354 is 45355003113.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497007 + ... + 556125.
It is an arithmetic number, because the mean of its divisors is an integer number (1064160000).
Almost surely, 231130055354 is an apocalyptic number.
31130055354 is an abundant number, since it is smaller than the sum of its proper divisors (36976184646).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31130055354 is a wasteful number, since it uses less digits than its factorization.
31130055354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59323.
The product of its (nonzero) digits is 13500, while the sum is 30.
Adding to 31130055354 its reverse (45355003113), we get a palindrome (76485058467).
The spelling of 31130055354 in words is "thirty-one billion, one hundred thirty million, fifty-five thousand, three hundred fifty-four".
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