Base | Representation |
---|---|
bin | 1001001001101111001… |
… | …0010000110001000000 |
3 | 120000211210121220110000 |
4 | 2102123302100301000 |
5 | 10034003002421013 |
6 | 200122005240000 |
7 | 14234236626621 |
oct | 2223362206100 |
9 | 500753556400 |
10 | 157232467008 |
11 | 607556a0711 |
12 | 26580a03000 |
13 | 11a99a99536 |
14 | 7878141a48 |
15 | 4153a17973 |
hex | 249bc90c40 |
157232467008 has 140 divisors (see below), whose sum is σ = 467474528092. Its totient is φ = 52254720000.
The previous prime is 157232467001. The next prime is 157232467027. The reversal of 157232467008 is 800764232751.
157232467008 is a `hidden beast` number, since 1 + 572 + 3 + 2 + 4 + 6 + 70 + 0 + 8 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 118991882304 + 38240584704 = 344952^2 + 195552^2 .
It is not an unprimeable number, because it can be changed into a prime (157232467001) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1702008 + ... + 1792008.
Almost surely, 2157232467008 is an apocalyptic number.
157232467008 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 157232467008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233737264046).
157232467008 is an abundant number, since it is smaller than the sum of its proper divisors (310242061084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157232467008 is an equidigital number, since it uses as much as digits as its factorization.
157232467008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90362 (or 90343 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
Adding to 157232467008 its reverse (800764232751), we get a palindrome (957996699759).
The spelling of 157232467008 in words is "one hundred fifty-seven billion, two hundred thirty-two million, four hundred sixty-seven thousand, eight".
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