Base | Representation |
---|---|
bin | 11101010010000011… |
… | …011111000101110000 |
3 | 10000011012120110011122 |
4 | 131102003133011300 |
5 | 1003343000312220 |
6 | 22235522401412 |
7 | 2162101426331 |
oct | 352203370560 |
9 | 100135513148 |
10 | 31441416560 |
11 | 12374950694 |
12 | 6115800268 |
13 | 2c70bb50c8 |
14 | 1743a5c288 |
15 | c40450425 |
hex | 7520df170 |
31441416560 has 20 divisors (see below), whose sum is σ = 73101293688. Its totient is φ = 12576566592.
The previous prime is 31441416551. The next prime is 31441416607. The reversal of 31441416560 is 6561414413.
It is a tau number, because it is divible by the number of its divisors (20).
It is a self number, because there is not a number n which added to its sum of digits gives 31441416560.
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 in 3 ways as a sum of consecutive naturals, for example, 196508774 + ... + 196508933.
Almost surely, 231441416560 is an apocalyptic number.
It is an amenable number.
31441416560 is an abundant number, since it is smaller than the sum of its proper divisors (41659877128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31441416560 is a wasteful number, since it uses less digits than its factorization.
31441416560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 393017720 (or 393017714 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 35.
The spelling of 31441416560 in words is "thirty-one billion, four hundred forty-one million, four hundred sixteen thousand, five hundred sixty".
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