Base | Representation |
---|---|
bin | 11101100111000001… |
… | …100110010110100010 |
3 | 10001001201121010002001 |
4 | 131213001212112202 |
5 | 1010103032243204 |
6 | 22334451314214 |
7 | 2203603053112 |
oct | 354701462642 |
9 | 101051533061 |
10 | 31793243554 |
11 | 125355034a6 |
12 | 61b35ab96a |
13 | 2cc8a5aa67 |
14 | 1778683042 |
15 | c6129a4a4 |
hex | 7670665a2 |
31793243554 has 24 divisors (see below), whose sum is σ = 48642948900. Its totient is φ = 15584924160.
The previous prime is 31793243539. The next prime is 31793243591. The reversal of 31793243554 is 45534239713.
It can be written as a sum of positive squares in 6 ways, for example, as 4820108329 + 26973135225 = 69427^2 + 164235^2 .
It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2322522 + ... + 2336170.
Almost surely, 231793243554 is an apocalyptic number.
31793243554 is a deficient number, since it is larger than the sum of its proper divisors (16849705346).
31793243554 is a wasteful number, since it uses less digits than its factorization.
31793243554 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14086 (or 14025 counting only the distinct ones).
The product of its digits is 1360800, while the sum is 46.
The spelling of 31793243554 in words is "thirty-one billion, seven hundred ninety-three million, two hundred forty-three thousand, five hundred fifty-four".
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