Base | Representation |
---|---|
bin | 1110100001001111010111… |
… | …00100010100001010000100 |
3 | 11012001022220011110002000211 |
4 | 13100213223210110022010 |
5 | 13141103423140423201 |
6 | 151523420312245204 |
7 | 6503516415522100 |
oct | 720475344241204 |
9 | 135038804402024 |
10 | 31928444076676 |
11 | a19a860343624 |
12 | 36b7b433a0804 |
13 | 14a7abb0b6494 |
14 | 7c54b8724900 |
15 | 3a57eaca1651 |
hex | 1d09eb914284 |
31928444076676 has 81 divisors (see below), whose sum is σ = 65403101639631. Its totient is φ = 13598691484224.
The previous prime is 31928444076637. The next prime is 31928444076677. The reversal of 31928444076676 is 67667044482913.
The square root of 31928444076676 is 5650526.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 3153373299076 + 28775070777600 = 1775774^2 + 5364240^2 .
It is not an unprimeable number, because it can be changed into a prime (31928444076677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13685572806 + ... + 13685575138.
Almost surely, 231928444076676 is an apocalyptic number.
31928444076676 is the 5650526-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31928444076676
31928444076676 is an abundant number, since it is smaller than the sum of its proper divisors (33474657562955).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31928444076676 is an frugal number, since it uses more digits than its factorization.
31928444076676 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5030 (or 2515 counting only the distinct ones).
The product of its (nonzero) digits is 292626432, while the sum is 67.
The spelling of 31928444076676 in words is "thirty-one trillion, nine hundred twenty-eight billion, four hundred forty-four million, seventy-six thousand, six hundred seventy-six".
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