Base | Representation |
---|---|
bin | 11101001101101100… |
… | …010100001011010100 |
3 | 2222222002212101010202 |
4 | 131031230110023110 |
5 | 1003220231434214 |
6 | 22224350040032 |
7 | 2160222405224 |
oct | 351554241324 |
9 | 88862771122 |
10 | 31368233684 |
11 | 12337606277 |
12 | 60b51a9018 |
13 | 2c5b9a0928 |
14 | 173804c084 |
15 | c38ce66de |
hex | 74db142d4 |
31368233684 has 6 divisors (see below), whose sum is σ = 54894408954. Its totient is φ = 15684116840.
The previous prime is 31368233657. The next prime is 31368233713. The reversal of 31368233684 is 48633286313.
It can be written as a sum of positive squares in only one way, i.e., 31279459600 + 88774084 = 176860^2 + 9422^2 .
It is a congruent number.
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 as a sum of consecutive naturals, namely, 3921029207 + ... + 3921029214.
It is an arithmetic number, because the mean of its divisors is an integer number (9149068159).
Almost surely, 231368233684 is an apocalyptic number.
It is an amenable number.
31368233684 is a deficient number, since it is larger than the sum of its proper divisors (23526175270).
31368233684 is a wasteful number, since it uses less digits than its factorization.
31368233684 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7842058425 (or 7842058423 counting only the distinct ones).
The product of its digits is 1492992, while the sum is 47.
The spelling of 31368233684 in words is "thirty-one billion, three hundred sixty-eight million, two hundred thirty-three thousand, six hundred eighty-four".
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