Base | Representation |
---|---|
bin | 11101001011101011… |
… | …000011111011010000 |
3 | 2222212202002221012122 |
4 | 131023223003323100 |
5 | 1003133043204134 |
6 | 22221135513412 |
7 | 2156331404450 |
oct | 351353037320 |
9 | 88782087178 |
10 | 31334350544 |
11 | 1231a473382 |
12 | 60a5988868 |
13 | 2c54969333 |
14 | 173374bd60 |
15 | c35d5202e |
hex | 74bac3ed0 |
31334350544 has 20 divisors (see below), whose sum is σ = 69383205024. Its totient is φ = 13429007328.
The previous prime is 31334350507. The next prime is 31334350559. The reversal of 31334350544 is 44505343313.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 139885382 + ... + 139885605.
Almost surely, 231334350544 is an apocalyptic number.
It is an amenable number.
31334350544 is an abundant number, since it is smaller than the sum of its proper divisors (38048854480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31334350544 is a wasteful number, since it uses less digits than its factorization.
31334350544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 279771002 (or 279770996 counting only the distinct ones).
The product of its (nonzero) digits is 129600, while the sum is 35.
Adding to 31334350544 its reverse (44505343313), we get a palindrome (75839693857).
The spelling of 31334350544 in words is "thirty-one billion, three hundred thirty-four million, three hundred fifty thousand, five hundred forty-four".
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