Base | Representation |
---|---|
bin | 11111100100001001000001… |
… | …000111100101001010011100 |
3 | 200012112100111022222100201120 |
4 | 133210021001013211022130 |
5 | 121143434024003310310 |
6 | 1211130230101410540 |
7 | 41145426661460565 |
oct | 3744110107451234 |
9 | 605470438870646 |
10 | 138823025447580 |
11 | 40262572835781 |
12 | 136a09ba409a50 |
13 | 5c5cc555549b6 |
14 | 263d0dabd716c |
15 | 110b18ae8ab70 |
hex | 7e42411e529c |
138823025447580 has 24 divisors (see below), whose sum is σ = 388704471253392. Its totient is φ = 37019473452672.
The previous prime is 138823025447489. The next prime is 138823025447657. The reversal of 138823025447580 is 85744520328831.
138823025447580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 2313717090793 = 138823025447580 / (1 + 3 + 8 + 8 + 2 + 3 + 0 + 2 + 5 + 4 + 4 + 7 + 5 + 8 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156858545337 + ... + 1156858545456.
It is an arithmetic number, because the mean of its divisors is an integer number (16196019635558).
Almost surely, 2138823025447580 is an apocalyptic number.
138823025447580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
138823025447580 is an abundant number, since it is smaller than the sum of its proper divisors (249881445805812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138823025447580 is a wasteful number, since it uses less digits than its factorization.
138823025447580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2313717090805 (or 2313717090803 counting only the distinct ones).
The product of its (nonzero) digits is 51609600, while the sum is 60.
The spelling of 138823025447580 in words is "one hundred thirty-eight trillion, eight hundred twenty-three billion, twenty-five million, four hundred forty-seven thousand, five hundred eighty".
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