Base | Representation |
---|---|
bin | 1101011100111011001… |
… | …1100101001010000000 |
3 | 211002111221212110000010 |
4 | 3113032303211022000 |
5 | 12241244320112340 |
6 | 254100041024520 |
7 | 22460642123235 |
oct | 3271663451200 |
9 | 732457773003 |
10 | 231102894720 |
11 | 8a012617375 |
12 | 38957a85140 |
13 | 18a400396a9 |
14 | b284bbd78c |
15 | 6028d06b80 |
hex | 35cece5280 |
231102894720 has 256 divisors, whose sum is σ = 743708275200. Its totient is φ = 61038821376.
The previous prime is 231102894719. The next prime is 231102894727. The reversal of 231102894720 is 27498201132.
It is not an unprimeable number, because it can be changed into a prime (231102894727) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110627436 + ... + 110629524.
It is an arithmetic number, because the mean of its divisors is an integer number (2905110450).
Almost surely, 2231102894720 is an apocalyptic number.
231102894720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 231102894720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371854137600).
231102894720 is an abundant number, since it is smaller than the sum of its proper divisors (512605380480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
231102894720 is a wasteful number, since it uses less digits than its factorization.
231102894720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2635 (or 2623 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 39.
The spelling of 231102894720 in words is "two hundred thirty-one billion, one hundred two million, eight hundred ninety-four thousand, seven hundred twenty".
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