Base | Representation |
---|---|
bin | 1110001000010101000100… |
… | …00100111110111110010010 |
3 | 11002000111120211102200202210 |
4 | 13010022202010332332102 |
5 | 13033043001213303040 |
6 | 150030303143052550 |
7 | 6354625554355545 |
oct | 704124204767622 |
9 | 132014524380683 |
10 | 31072512634770 |
11 | 999a862361782 |
12 | 359a089741156 |
13 | 1445182586769 |
14 | 795cbbdc885c |
15 | 38d402525480 |
hex | 1c42a213ef92 |
31072512634770 has 32 divisors (see below), whose sum is σ = 78498979289280. Its totient is φ = 7849897928640.
The previous prime is 31072512634703. The next prime is 31072512634771. The reversal of 31072512634770 is 7743621527013.
It is not an unprimeable number, because it can be changed into a prime (31072512634771) 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, 27256589461 + ... + 27256590600.
It is an arithmetic number, because the mean of its divisors is an integer number (2453093102790).
Almost surely, 231072512634770 is an apocalyptic number.
31072512634770 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
31072512634770 is an abundant number, since it is smaller than the sum of its proper divisors (47426466654510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31072512634770 is a wasteful number, since it uses less digits than its factorization.
31072512634770 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54513180090.
The product of its (nonzero) digits is 1481760, while the sum is 48.
The spelling of 31072512634770 in words is "thirty-one trillion, seventy-two billion, five hundred twelve million, six hundred thirty-four thousand, seven hundred seventy".
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