Base | Representation |
---|---|
bin | 111111100001110010… |
… | …001011101011111000 |
3 | 20112001211220222010011 |
4 | 333201302023223320 |
5 | 2104144402204404 |
6 | 51200355231304 |
7 | 4633241002324 |
oct | 774162135370 |
9 | 215054828104 |
10 | 68212538104 |
11 | 26a24221537 |
12 | 112782a8534 |
13 | 65810274a9 |
14 | 3431484984 |
15 | 1b93732604 |
hex | fe1c8baf8 |
68212538104 has 16 divisors (see below), whose sum is σ = 128664370800. Its totient is φ = 33902039232.
The previous prime is 68212538089. The next prime is 68212538129. The reversal of 68212538104 is 40183521286.
It is a congruent 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, 25527309 + ... + 25529980.
It is an arithmetic number, because the mean of its divisors is an integer number (8041523175).
Almost surely, 268212538104 is an apocalyptic number.
It is an amenable number.
68212538104 is a deficient number, since it is larger than the sum of its proper divisors (60451832696).
68212538104 is a wasteful number, since it uses less digits than its factorization.
68212538104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51057462 (or 51057458 counting only the distinct ones).
The product of its (nonzero) digits is 92160, while the sum is 40.
The spelling of 68212538104 in words is "sixty-eight billion, two hundred twelve million, five hundred thirty-eight thousand, one hundred four".
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