Base | Representation |
---|---|
bin | 11111100011110100100100… |
… | …111110010000011110010100 |
3 | 200012110020211210202002012010 |
4 | 133203310210332100132110 |
5 | 121143104102032430022 |
6 | 1211112200220224220 |
7 | 41144022054625002 |
oct | 3743644476203624 |
9 | 605406753662163 |
10 | 138801078405012 |
11 | 4025423024a871 |
12 | 136986b439b070 |
13 | 5c5ab6868528a |
14 | 263c0180bda72 |
15 | 110a80431d50c |
hex | 7e3d24f90794 |
138801078405012 has 48 divisors (see below), whose sum is σ = 327511470424320. Its totient is φ = 45746709854208.
The previous prime is 138801078404977. The next prime is 138801078405023. The reversal of 138801078405012 is 210504870108831.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114605973 + ... + 115810755.
It is an arithmetic number, because the mean of its divisors is an integer number (6823155633840).
Almost surely, 2138801078405012 is an apocalyptic number.
138801078405012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
138801078405012 is an abundant number, since it is smaller than the sum of its proper divisors (188710392019308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138801078405012 is a wasteful number, since it uses less digits than its factorization.
138801078405012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1312752 (or 1312750 counting only the distinct ones).
The product of its (nonzero) digits is 430080, while the sum is 48.
The spelling of 138801078405012 in words is "one hundred thirty-eight trillion, eight hundred one billion, seventy-eight million, four hundred five thousand, twelve".
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