Base | Representation |
---|---|
bin | 11101000000001011… |
… | …010000110111010101 |
3 | 2222101022011100202020 |
4 | 131000023100313111 |
5 | 1002234203344212 |
6 | 22150045403353 |
7 | 2151500042526 |
oct | 350013206725 |
9 | 88338140666 |
10 | 31141465557 |
11 | 122305aaaa4 |
12 | 6051269559 |
13 | 2c23a036c7 |
14 | 1715c9c84d |
15 | c23e50d8c |
hex | 7402d0dd5 |
31141465557 has 8 divisors (see below), whose sum is σ = 43707320160. Its totient is φ = 19668294000.
The previous prime is 31141465543. The next prime is 31141465559. The reversal of 31141465557 is 75556414113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31141465557 - 227 = 31007247829 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31141465559) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273170694 + ... + 273170807.
It is an arithmetic number, because the mean of its divisors is an integer number (5463415020).
Almost surely, 231141465557 is an apocalyptic number.
It is an amenable number.
31141465557 is a deficient number, since it is larger than the sum of its proper divisors (12565854603).
31141465557 is a wasteful number, since it uses less digits than its factorization.
31141465557 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 546341523.
The product of its digits is 252000, while the sum is 42.
The spelling of 31141465557 in words is "thirty-one billion, one hundred forty-one million, four hundred sixty-five thousand, five hundred fifty-seven".
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