Base | Representation |
---|---|
bin | 11101011111010100… |
… | …000000101000011100 |
3 | 10000201201010100022111 |
4 | 131133110000220130 |
5 | 1004321421231220 |
6 | 22313550123404 |
7 | 2200442205331 |
oct | 353724005034 |
9 | 100651110274 |
10 | 31663852060 |
11 | 12479467785 |
12 | 61781b0564 |
13 | 2ca7cc6249 |
14 | 1765400988 |
15 | c54c3c15a |
hex | 75f500a1c |
31663852060 has 48 divisors (see below), whose sum is σ = 70861464576. Its totient is φ = 11857093952.
The previous prime is 31663852039. The next prime is 31663852067. The reversal of 31663852060 is 6025836613.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31663852067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710662 + ... + 753901.
It is an arithmetic number, because the mean of its divisors is an integer number (1476280512).
Almost surely, 231663852060 is an apocalyptic number.
It is an amenable number.
31663852060 is an abundant number, since it is smaller than the sum of its proper divisors (39197612516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31663852060 is a wasteful number, since it uses less digits than its factorization.
31663852060 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1464642 (or 1464640 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 40.
The spelling of 31663852060 in words is "thirty-one billion, six hundred sixty-three million, eight hundred fifty-two thousand, sixty".
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