Base | Representation |
---|---|
bin | 1110001110001111000111… |
… | …00011100011100011101110 |
3 | 11002201220110121020101002100 |
4 | 13013013203203203203232 |
5 | 13044404133001142034 |
6 | 150303431003035530 |
7 | 6405402263023014 |
oct | 707074343434356 |
9 | 132656417211070 |
10 | 31275474630894 |
11 | 9a6894409645a |
12 | 361149120bba6 |
13 | 145b359442060 |
14 | 7a1a5361c8b4 |
15 | 393830a33099 |
hex | 1c71e38e38ee |
31275474630894 has 48 divisors (see below), whose sum is σ = 72977902124400. Its totient is φ = 9622986306048.
The previous prime is 31275474630893. The next prime is 31275474630913. The reversal of 31275474630894 is 49803647457213.
31275474630894 is a `hidden beast` number, since 3 + 1 + 2 + 7 + 547 + 4 + 6 + 3 + 0 + 89 + 4 = 666.
It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31275474630893) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8013022 + ... + 11258750.
It is an arithmetic number, because the mean of its divisors is an integer number (1520372960925).
It is a 1-persistent number, because it is pandigital, but 2⋅31275474630894 = 62550949261788 is not.
Almost surely, 231275474630894 is an apocalyptic number.
31275474630894 is an abundant number, since it is smaller than the sum of its proper divisors (41702427493506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31275474630894 is a wasteful number, since it uses less digits than its factorization.
31275474630894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3286929 (or 3286926 counting only the distinct ones).
The product of its (nonzero) digits is 121927680, while the sum is 63.
The spelling of 31275474630894 in words is "thirty-one trillion, two hundred seventy-five billion, four hundred seventy-four million, six hundred thirty thousand, eight hundred ninety-four".
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