Base | Representation |
---|---|
bin | 11111000110111010011110… |
… | …01100101101000101110011 |
3 | 22222012200010110111112202200 |
4 | 33203131033030231011303 |
5 | 32431241043322311000 |
6 | 401253511201114243 |
7 | 20260155664203414 |
oct | 1743351714550563 |
9 | 288180113445680 |
10 | 68407272853875 |
11 | 1a8843a817447a |
12 | 7809955328983 |
13 | 2c22a1679b6c7 |
14 | 12c6d0303d80b |
15 | 7d966bb76500 |
hex | 3e374f32d173 |
68407272853875 has 96 divisors (see below), whose sum is σ = 124530491904000. Its totient is φ = 36125802619200.
The previous prime is 68407272853873. The next prime is 68407272853901. The reversal of 68407272853875 is 57835827270486.
68407272853875 is a `hidden beast` number, since 6 + 8 + 40 + 7 + 27 + 28 + 538 + 7 + 5 = 666.
It is not a de Polignac number, because 68407272853875 - 21 = 68407272853873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68407272853873) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58689006 + ... + 59843244.
It is an arithmetic number, because the mean of its divisors is an integer number (1297192624000).
Almost surely, 268407272853875 is an apocalyptic number.
68407272853875 is a deficient number, since it is larger than the sum of its proper divisors (56123219050125).
68407272853875 is a wasteful number, since it uses less digits than its factorization.
68407272853875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1154778 (or 1154765 counting only the distinct ones).
The product of its (nonzero) digits is 1264435200, while the sum is 72.
The spelling of 68407272853875 in words is "sixty-eight trillion, four hundred seven billion, two hundred seventy-two million, eight hundred fifty-three thousand, eight hundred seventy-five".
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