Base | Representation |
---|---|
bin | 1101111001100000001… |
… | …0101111011100010000 |
3 | 211211022120111211222020 |
4 | 3132120002233130100 |
5 | 12403002124303340 |
6 | 301405152411440 |
7 | 23152020665103 |
oct | 3363002573420 |
9 | 754276454866 |
10 | 238774056720 |
11 | 92299803981 |
12 | 3a338b46b80 |
13 | 196933c58c4 |
14 | b7b192873a |
15 | 63274e89d0 |
hex | 37980af710 |
238774056720 has 160 divisors (see below), whose sum is σ = 757969736832. Its totient is φ = 62146646016.
The previous prime is 238774056701. The next prime is 238774056769. The reversal of 238774056720 is 27650477832.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15400012 + ... + 15415508.
Almost surely, 2238774056720 is an apocalyptic number.
238774056720 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 238774056720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378984868416).
238774056720 is an abundant number, since it is smaller than the sum of its proper divisors (519195680112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238774056720 is a wasteful number, since it uses less digits than its factorization.
238774056720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17049 (or 17043 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 51.
The spelling of 238774056720 in words is "two hundred thirty-eight billion, seven hundred seventy-four million, fifty-six thousand, seven hundred twenty".
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