Base | Representation |
---|---|
bin | 10010110000011… |
… | …11100011101001 |
3 | 101222002012210021 |
4 | 21120033203221 |
5 | 310240200441 |
6 | 23340320441 |
7 | 3620311465 |
oct | 1130174351 |
9 | 358065707 |
10 | 157350121 |
11 | 80902525 |
12 | 44843121 |
13 | 267a35a6 |
14 | 16c7d4a5 |
15 | dc323d1 |
hex | 960f8e9 |
157350121 has 2 divisors, whose sum is σ = 157350122. Its totient is φ = 157350120.
The previous prime is 157350119. The next prime is 157350133. The reversal of 157350121 is 121053751.
157350121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 155276521 + 2073600 = 12461^2 + 1440^2 .
It is a cyclic number.
It is not a de Polignac number, because 157350121 - 21 = 157350119 is a prime.
Together with 157350119, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (157350821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78675060 + 78675061.
It is an arithmetic number, because the mean of its divisors is an integer number (78675061).
Almost surely, 2157350121 is an apocalyptic number.
It is an amenable number.
157350121 is a deficient number, since it is larger than the sum of its proper divisors (1).
157350121 is an equidigital number, since it uses as much as digits as its factorization.
157350121 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1050, while the sum is 25.
The square root of 157350121 is about 12543.9276544470. The cubic root of 157350121 is about 539.8697914224.
The spelling of 157350121 in words is "one hundred fifty-seven million, three hundred fifty thousand, one hundred twenty-one".
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