Base | Representation |
---|---|
bin | 11111000011011011001111… |
… | …01101111100011101000100 |
3 | 22221210012210001212200200200 |
4 | 33201231213231330131010 |
5 | 32422310121313331302 |
6 | 401122450544410500 |
7 | 20245414024335504 |
oct | 1741554755743504 |
9 | 287705701780620 |
10 | 68287425136452 |
11 | 1a838597270525 |
12 | 77aa688616a30 |
13 | 2c14627002192 |
14 | 12c11b4017a04 |
15 | 7d64a525181c |
hex | 3e1b67b7c744 |
68287425136452 has 72 divisors (see below), whose sum is σ = 178190639407872. Its totient is φ = 22027340750400.
The previous prime is 68287425136429. The next prime is 68287425136517. The reversal of 68287425136452 is 25463152478286.
68287425136452 is a `hidden beast` number, since 6 + 8 + 2 + 8 + 7 + 4 + 2 + 513 + 64 + 52 = 666.
It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 68287425136452.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27684802 + ... + 30050342.
It is an arithmetic number, because the mean of its divisors is an integer number (2474869991776).
Almost surely, 268287425136452 is an apocalyptic number.
68287425136452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
It is an amenable number.
68287425136452 is an abundant number, since it is smaller than the sum of its proper divisors (109903214271420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68287425136452 is a wasteful number, since it uses less digits than its factorization.
68287425136452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2391449 (or 2391444 counting only the distinct ones).
The product of its digits is 154828800, while the sum is 63.
The spelling of 68287425136452 in words is "sixty-eight trillion, two hundred eighty-seven billion, four hundred twenty-five million, one hundred thirty-six thousand, four hundred fifty-two".
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