Base | Representation |
---|---|
bin | 10010101110100… |
… | …10101110011111 |
3 | 101221121120000001 |
4 | 21113102232133 |
5 | 310204212314 |
6 | 23331115131 |
7 | 3615223201 |
oct | 1127225637 |
9 | 357546001 |
10 | 157100959 |
11 | 80752304 |
12 | 44742aa7 |
13 | 26717062 |
14 | 16c16771 |
15 | dbd3674 |
hex | 95d2b9f |
157100959 has 4 divisors (see below), whose sum is σ = 157145040. Its totient is φ = 157056880.
The previous prime is 157100921. The next prime is 157100969. The reversal of 157100959 is 959001751.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 959001751 = 24169 ⋅39679.
It is a cyclic number.
It is not a de Polignac number, because 157100959 - 219 = 156576671 is a prime.
It is a super-2 number, since 2×1571009592 = 49361422637439362, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157100969) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16174 + ... + 23995.
It is an arithmetic number, because the mean of its divisors is an integer number (39286260).
Almost surely, 2157100959 is an apocalyptic number.
157100959 is a deficient number, since it is larger than the sum of its proper divisors (44081).
157100959 is an equidigital number, since it uses as much as digits as its factorization.
157100959 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44080.
The product of its (nonzero) digits is 14175, while the sum is 37.
The square root of 157100959 is about 12533.9921413730. The cubic root of 157100959 is about 539.5846818006.
The spelling of 157100959 in words is "one hundred fifty-seven million, one hundred thousand, nine hundred fifty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.029 sec. • engine limits •