Base | Representation |
---|---|
bin | 1010111100010011101111… |
… | …1011111101101101100000 |
3 | 1120121011122122021002202010 |
4 | 2233010323323331231200 |
5 | 3034104403444033404 |
6 | 41331021110352520 |
7 | 2351140400622321 |
oct | 257047373755540 |
9 | 46534578232663 |
10 | 12031208971104 |
11 | 39194528a1804 |
12 | 142388b65b740 |
13 | 6936cc39a5ab |
14 | 2d8456810448 |
15 | 15ce5cc58189 |
hex | af13befdb60 |
12031208971104 has 48 divisors (see below), whose sum is σ = 31655199582720. Its totient is φ = 4001098097280.
The previous prime is 12031208971091. The next prime is 12031208971109. The reversal of 12031208971104 is 40117980213021.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12031208971109) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145347364 + ... + 145430115.
It is an arithmetic number, because the mean of its divisors is an integer number (659483324640).
Almost surely, 212031208971104 is an apocalyptic number.
It is an amenable number.
12031208971104 is an abundant number, since it is smaller than the sum of its proper divisors (19623990611616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12031208971104 is a wasteful number, since it uses less digits than its factorization.
12031208971104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 290777923 (or 290777915 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 39.
The spelling of 12031208971104 in words is "twelve trillion, thirty-one billion, two hundred eight million, nine hundred seventy-one thousand, one hundred four".
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