Base | Representation |
---|---|
bin | 11101001101101100… |
… | …010011010100001100 |
3 | 2222222002212012022002 |
4 | 131031230103110030 |
5 | 1003220231331111 |
6 | 22224350011432 |
7 | 2160222362024 |
oct | 351554232414 |
9 | 88862765262 |
10 | 31368230156 |
11 | 1233760365a |
12 | 60b51a6b78 |
13 | 2c5b99c143 |
14 | 173804aa84 |
15 | c38ce563b |
hex | 74db1350c |
31368230156 has 6 divisors (see below), whose sum is σ = 54894402780. Its totient is φ = 15684115076.
The previous prime is 31368230087. The next prime is 31368230197. The reversal of 31368230156 is 65103286313.
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, 3921028766 + ... + 3921028773.
It is an arithmetic number, because the mean of its divisors is an integer number (9149067130).
Almost surely, 231368230156 is an apocalyptic number.
It is an amenable number.
31368230156 is a deficient number, since it is larger than the sum of its proper divisors (23526172624).
31368230156 is a wasteful number, since it uses less digits than its factorization.
31368230156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7842057543 (or 7842057541 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 38.
The spelling of 31368230156 in words is "thirty-one billion, three hundred sixty-eight million, two hundred thirty thousand, one hundred fifty-six".
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