Base | Representation |
---|---|
bin | 1110001100011101011000… |
… | …01100110001101000001011 |
3 | 11002112001212100100100120010 |
4 | 13012032230030301220023 |
5 | 13042404111042321222 |
6 | 150215412132403003 |
7 | 6401111223253101 |
oct | 706165414615013 |
9 | 132461770310503 |
10 | 31214416370187 |
11 | 9a44a61312476 |
12 | 3601690a76463 |
13 | 14556786895cb |
14 | 79cb003b3c71 |
15 | 391e5a44180c |
hex | 1c63ac331a0b |
31214416370187 has 4 divisors (see below), whose sum is σ = 41619221826920. Its totient is φ = 20809610913456.
The previous prime is 31214416370143. The next prime is 31214416370197. The reversal of 31214416370187 is 78107361441213.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 31214416370187 - 223 = 31214407981579 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (31214416370117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202402728362 + ... + 5202402728367.
It is an arithmetic number, because the mean of its divisors is an integer number (10404805456730).
Almost surely, 231214416370187 is an apocalyptic number.
31214416370187 is a deficient number, since it is larger than the sum of its proper divisors (10404805456733).
31214416370187 is a wasteful number, since it uses less digits than its factorization.
31214416370187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10404805456732.
The product of its (nonzero) digits is 677376, while the sum is 48.
The spelling of 31214416370187 in words is "thirty-one trillion, two hundred fourteen billion, four hundred sixteen million, three hundred seventy thousand, one hundred eighty-seven".
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