Base | Representation |
---|---|
bin | 11101101011000000… |
… | …110110101110011101 |
3 | 10001020101111200112110 |
4 | 131223000312232131 |
5 | 1010222200013331 |
6 | 22345241424233 |
7 | 2205344604045 |
oct | 355300665635 |
9 | 101211450473 |
10 | 31860157341 |
11 | 1256a256851 |
12 | 6211a9b079 |
13 | 300988890c |
14 | 1783500725 |
15 | c670b6946 |
hex | 76b036b9d |
31860157341 has 16 divisors (see below), whose sum is σ = 44170633728. Its totient is φ = 20404896000.
The previous prime is 31860157337. The next prime is 31860157361. The reversal of 31860157341 is 14375106813.
It is not a de Polignac number, because 31860157341 - 22 = 31860157337 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31860157341.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31860157361) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237560 + ... + 1263041.
It is an arithmetic number, because the mean of its divisors is an integer number (2760664608).
Almost surely, 231860157341 is an apocalyptic number.
31860157341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
It is an amenable number.
31860157341 is a deficient number, since it is larger than the sum of its proper divisors (12310476387).
31860157341 is a wasteful number, since it uses less digits than its factorization.
31860157341 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500772.
The product of its (nonzero) digits is 60480, while the sum is 39.
The spelling of 31860157341 in words is "thirty-one billion, eight hundred sixty million, one hundred fifty-seven thousand, three hundred forty-one".
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