Base | Representation |
---|---|
bin | 110100101000011101000110… |
… | …011110101101100110010100 |
3 | 1010100121010022211012002212222 |
4 | 310220131012132231212110 |
5 | 220320020323341433012 |
6 | 2140151421325201512 |
7 | 66520523440054031 |
oct | 6450350636554624 |
9 | 1110533284162788 |
10 | 231478444874132 |
11 | 67835503556685 |
12 | 21b660a6a00298 |
13 | 9c214291b6281 |
14 | 412388b9c2388 |
15 | 1bb6443bad972 |
hex | d287467ad994 |
231478444874132 has 12 divisors (see below), whose sum is σ = 405087390787296. Its totient is φ = 115739190363480.
The previous prime is 231478444874041. The next prime is 231478444874143.
231478444874132 is nontrivially palindromic in base 10.
231478444874132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16657907 + ... + 27211077.
It is an arithmetic number, because the mean of its divisors is an integer number (33757282565608).
Almost surely, 2231478444874132 is an apocalyptic number.
It is an amenable number.
231478444874132 is a deficient number, since it is larger than the sum of its proper divisors (173608945913164).
231478444874132 is a wasteful number, since it uses less digits than its factorization.
231478444874132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16036798 (or 16036796 counting only the distinct ones).
The product of its digits is 115605504, while the sum is 62.
The spelling of 231478444874132 in words is "two hundred thirty-one trillion, four hundred seventy-eight billion, four hundred forty-four million, eight hundred seventy-four thousand, one hundred thirty-two".
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