Base | Representation |
---|---|
bin | 1001001001011000011… |
… | …1011100110001000010 |
3 | 120000121011122212021002 |
4 | 2102112013130301002 |
5 | 10033304130423030 |
6 | 200104330532002 |
7 | 14232003334562 |
oct | 2222607346102 |
9 | 500534585232 |
10 | 157137357890 |
11 | 60706a3a837 |
12 | 26554b97002 |
13 | 11a83178c56 |
14 | 7869664da2 |
15 | 414a4cc245 |
hex | 24961dcc42 |
157137357890 has 16 divisors (see below), whose sum is σ = 283308670008. Its totient is φ = 62752404096.
The previous prime is 157137357889. The next prime is 157137357913. The reversal of 157137357890 is 98753731751.
It is a happy number.
157137357890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 29667651049 + 127469706841 = 172243^2 + 357029^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12810947 + ... + 12823206.
Almost surely, 2157137357890 is an apocalyptic number.
157137357890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
157137357890 is a deficient number, since it is larger than the sum of its proper divisors (126171312118).
157137357890 is a wasteful number, since it uses less digits than its factorization.
157137357890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25634773.
The product of its (nonzero) digits is 5556600, while the sum is 56.
The spelling of 157137357890 in words is "one hundred fifty-seven billion, one hundred thirty-seven million, three hundred fifty-seven thousand, eight hundred ninety".
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