Base | Representation |
---|---|
bin | 11101001110000111… |
… | …011101101010010111 |
3 | 2222222121020221110200 |
4 | 131032013131222113 |
5 | 1003224042203143 |
6 | 22225202351543 |
7 | 2160340035564 |
oct | 351607355227 |
9 | 88877227420 |
10 | 31375350423 |
11 | 1234062717a |
12 | 60b765b5b3 |
13 | 2c602c3011 |
14 | 1738d8186b |
15 | c397501d3 |
hex | 74e1dda97 |
31375350423 has 12 divisors (see below), whose sum is σ = 45321628248. Its totient is φ = 20916126000.
The previous prime is 31375350421. The next prime is 31375350431. The reversal of 31375350423 is 32405357313.
31375350423 is a `hidden beast` number, since 3 + 137 + 53 + 50 + 423 = 666.
It is not a de Polignac number, because 31375350423 - 21 = 31375350421 is a prime.
It is a super-2 number, since 2×313753504232 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31375350421) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301236 + ... + 391782.
It is an arithmetic number, because the mean of its divisors is an integer number (3776802354).
Almost surely, 231375350423 is an apocalyptic number.
31375350423 is a deficient number, since it is larger than the sum of its proper divisors (13946277825).
31375350423 is a wasteful number, since it uses less digits than its factorization.
31375350423 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129054 (or 129051 counting only the distinct ones).
The product of its (nonzero) digits is 113400, while the sum is 36.
The spelling of 31375350423 in words is "thirty-one billion, three hundred seventy-five million, three hundred fifty thousand, four hundred twenty-three".
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