Base | Representation |
---|---|
bin | 11101100111001011… |
… | …111101111110100100 |
3 | 10001001220201012202111 |
4 | 131213023331332210 |
5 | 1010104231234024 |
6 | 22335025450404 |
7 | 2203635133660 |
oct | 354713757644 |
9 | 101056635674 |
10 | 31795961764 |
11 | 12536a9a756 |
12 | 61b44a0a04 |
13 | 2cc94a0078 |
14 | 1778b8d8a0 |
15 | c61635a94 |
hex | 7672fdfa4 |
31795961764 has 48 divisors (see below), whose sum is σ = 67685345280. Its totient is φ = 12758077440.
The previous prime is 31795961741. The next prime is 31795961767. The reversal of 31795961764 is 46716959713.
It is a junction number, because it is equal to n+sod(n) for n = 31795961699 and 31795961708.
It is not an unprimeable number, because it can be changed into a prime (31795961767) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83949 + ... + 265780.
It is an arithmetic number, because the mean of its divisors is an integer number (1410111360).
Almost surely, 231795961764 is an apocalyptic number.
31795961764 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
31795961764 is an abundant number, since it is smaller than the sum of its proper divisors (35889383516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31795961764 is a wasteful number, since it uses less digits than its factorization.
31795961764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 349948 (or 349946 counting only the distinct ones).
The product of its digits is 8573040, while the sum is 58.
The spelling of 31795961764 in words is "thirty-one billion, seven hundred ninety-five million, nine hundred sixty-one thousand, seven hundred sixty-four".
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