Base | Representation |
---|---|
bin | 1101101000110111101… |
… | …11100010010001011001 |
3 | 1122210120212021122101000 |
4 | 12310123313202101121 |
5 | 30134212424302033 |
6 | 555140335015213 |
7 | 45566546410416 |
oct | 6643367422131 |
9 | 1583525248330 |
10 | 468618978393 |
11 | 1708162184a5 |
12 | 769a366a509 |
13 | 35262920637 |
14 | 1897760710d |
15 | c2cab62a13 |
hex | 6d1bde2459 |
468618978393 has 128 divisors (see below), whose sum is σ = 758025216000. Its totient is φ = 285232147200.
The previous prime is 468618978337. The next prime is 468618978413. The reversal of 468618978393 is 393879816864.
468618978393 is a `hidden beast` number, since 468 + 6 + 1 + 8 + 9 + 78 + 3 + 93 = 666.
It is not a de Polignac number, because 468618978393 - 216 = 468618912857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (468618958393) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1057830430 + ... + 1057830872.
It is an arithmetic number, because the mean of its divisors is an integer number (5922072000).
Almost surely, 2468618978393 is an apocalyptic number.
It is an amenable number.
468618978393 is a deficient number, since it is larger than the sum of its proper divisors (289406237607).
468618978393 is a wasteful number, since it uses less digits than its factorization.
468618978393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1044 (or 1038 counting only the distinct ones).
The product of its digits is 376233984, while the sum is 72.
The spelling of 468618978393 in words is "four hundred sixty-eight billion, six hundred eighteen million, nine hundred seventy-eight thousand, three hundred ninety-three".
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