Base | Representation |
---|---|
bin | 1101011101100011001… |
… | …0101100000000000000 |
3 | 211002221122010021000000 |
4 | 3113120302230000000 |
5 | 12242120212322033 |
6 | 254124424000000 |
7 | 22465045146324 |
oct | 3273062540000 |
9 | 732848107000 |
10 | 231270432768 |
11 | 8a099148171 |
12 | 389a4000000 |
13 | 18a6896922b |
14 | b29d151984 |
15 | 603889ca13 |
hex | 35d8cac000 |
231270432768 has 630 divisors, whose sum is σ = 747659973956. Its totient is φ = 71472513024.
The previous prime is 231270432713. The next prime is 231270432773. The reversal of 231270432768 is 867234072132.
231270432768 is a `hidden beast` number, since 2 + 312 + 7 + 0 + 4 + 327 + 6 + 8 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 3451797471 + ... + 3451797537.
Almost surely, 2231270432768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231270432768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373829986978).
231270432768 is an abundant number, since it is smaller than the sum of its proper divisors (516389541188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231270432768 is an frugal number, since it uses more digits than its factorization.
231270432768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147 (or 89 counting only the distinct ones).
The product of its (nonzero) digits is 677376, while the sum is 45.
The spelling of 231270432768 in words is "two hundred thirty-one billion, two hundred seventy million, four hundred thirty-two thousand, seven hundred sixty-eight".
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