Base | Representation |
---|---|
bin | 10010101110011… |
… | …10000011111111 |
3 | 101221120120210111 |
4 | 21113032003333 |
5 | 310203104410 |
6 | 23330450451 |
7 | 3615113410 |
oct | 1127160377 |
9 | 357516714 |
10 | 157081855 |
11 | 80739a17 |
12 | 44733a27 |
13 | 2670b458 |
14 | 16c0d807 |
15 | dbccb8a |
hex | 95ce0ff |
157081855 has 16 divisors (see below), whose sum is σ = 217128960. Its totient is φ = 106862112.
The previous prime is 157081831. The next prime is 157081861. The reversal of 157081855 is 558180751.
It is not a de Polignac number, because 157081855 - 211 = 157079807 is a prime.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 13225 + ... + 22114.
It is an arithmetic number, because the mean of its divisors is an integer number (13570560).
Almost surely, 2157081855 is an apocalyptic number.
157081855 is a deficient number, since it is larger than the sum of its proper divisors (60047105).
157081855 is a wasteful number, since it uses less digits than its factorization.
157081855 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35478.
The product of its (nonzero) digits is 56000, while the sum is 40.
The square root of 157081855 is about 12533.2300306026. The cubic root of 157081855 is about 539.5628091490.
The spelling of 157081855 in words is "one hundred fifty-seven million, eighty-one thousand, eight hundred fifty-five".
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