Base | Representation |
---|---|
bin | 10010110100011… |
… | …00110100000000 |
3 | 102000001021120000 |
4 | 21122030310000 |
5 | 310403110133 |
6 | 23355320000 |
7 | 3624546321 |
oct | 1132146400 |
9 | 360037500 |
10 | 157863168 |
11 | 81122a31 |
12 | 44a50000 |
13 | 26922c78 |
14 | 16d74448 |
15 | dcd4413 |
hex | 968cd00 |
157863168 has 180 divisors, whose sum is σ = 492669408. Its totient is φ = 50181120.
The previous prime is 157863151. The next prime is 157863179. The reversal of 157863168 is 861368751.
157863168 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 631 + 6 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 476763 + ... + 477093.
Almost surely, 2157863168 is an apocalyptic number.
157863168 is a gapful number since it is divisible by the number (18) 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 157863168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246334704).
157863168 is an abundant number, since it is smaller than the sum of its proper divisors (334806240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157863168 is an equidigital number, since it uses as much as digits as its factorization.
157863168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382 (or 359 counting only the distinct ones).
The product of its digits is 241920, while the sum is 45.
The square root of 157863168 is about 12564.3610263316. The cubic root of 157863168 is about 540.4559112711.
It can be divided in two parts, 1578 and 63168, that added together give a palindrome (64746).
The spelling of 157863168 in words is "one hundred fifty-seven million, eight hundred sixty-three thousand, one hundred sixty-eight".
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