Base | Representation |
---|---|
bin | 11101011000000111… |
… | …001101000000010011 |
3 | 10000102021211012000102 |
4 | 131120013031000103 |
5 | 1004100010214410 |
6 | 22253553043015 |
7 | 2164444352411 |
oct | 353007150023 |
9 | 100367735012 |
10 | 31543054355 |
11 | 1241726066a |
12 | 614385646b |
13 | 2c88c80207 |
14 | 17533582b1 |
15 | c4932a2a5 |
hex | 7581cd013 |
31543054355 has 16 divisors (see below), whose sum is σ = 38600017344. Its totient is φ = 24739683840.
The previous prime is 31543054343. The next prime is 31543054397. The reversal of 31543054355 is 55345034513.
It is not a de Polignac number, because 31543054355 - 24 = 31543054339 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197786 + ... + 319695.
It is an arithmetic number, because the mean of its divisors is an integer number (2412501084).
Almost surely, 231543054355 is an apocalyptic number.
31543054355 is a deficient number, since it is larger than the sum of its proper divisors (7056962989).
31543054355 is a wasteful number, since it uses less digits than its factorization.
31543054355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 517726.
The product of its (nonzero) digits is 270000, while the sum is 38.
Adding to 31543054355 its reverse (55345034513), we get a palindrome (86888088868).
The spelling of 31543054355 in words is "thirty-one billion, five hundred forty-three million, fifty-four thousand, three hundred fifty-five".
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