Base | Representation |
---|---|
bin | 10011001101010100… |
… | …000110001011101000 |
3 | 1222020100120110110201 |
4 | 103031110012023220 |
5 | 314214330413124 |
6 | 13250313521544 |
7 | 1330044034264 |
oct | 231524061350 |
9 | 58210513421 |
10 | 20624466664 |
11 | 8823a7907a |
12 | 3bb71132b4 |
13 | 1c38b8ba39 |
14 | dd91db0a4 |
15 | 80a9bd144 |
hex | 4cd5062e8 |
20624466664 has 16 divisors (see below), whose sum is σ = 38865204000. Its totient is φ = 10260412272.
The previous prime is 20624466659. The next prime is 20624466679. The reversal of 20624466664 is 46666442602.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6475942 + ... + 6479125.
It is an arithmetic number, because the mean of its divisors is an integer number (2429075250).
Almost surely, 220624466664 is an apocalyptic number.
It is an amenable number.
20624466664 is a deficient number, since it is larger than the sum of its proper divisors (18240737336).
20624466664 is a wasteful number, since it uses less digits than its factorization.
20624466664 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12955272 (or 12955268 counting only the distinct ones).
The product of its (nonzero) digits is 1990656, while the sum is 46.
The spelling of 20624466664 in words is "twenty billion, six hundred twenty-four million, four hundred sixty-six thousand, six hundred sixty-four".
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