Base | Representation |
---|---|
bin | 111101011100… |
… | …101001111101 |
3 | 1010022101020102 |
4 | 331130221331 |
5 | 13110430112 |
6 | 1333130445 |
7 | 253626362 |
oct | 75345175 |
9 | 33271212 |
10 | 16108157 |
11 | 910232a |
12 | 5489a25 |
13 | 344cb70 |
14 | 21d4469 |
15 | 1632bc2 |
hex | f5ca7d |
16108157 has 4 divisors (see below), whose sum is σ = 17347260. Its totient is φ = 14869056.
The previous prime is 16108151. The next prime is 16108171. The reversal of 16108157 is 75180161.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 3865156 + 12243001 = 1966^2 + 3499^2 .
It is a cyclic number.
It is not a de Polignac number, because 16108157 - 26 = 16108093 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16108151) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619532 + ... + 619557.
It is an arithmetic number, because the mean of its divisors is an integer number (4336815).
Almost surely, 216108157 is an apocalyptic number.
It is an amenable number.
16108157 is a deficient number, since it is larger than the sum of its proper divisors (1239103).
16108157 is a wasteful number, since it uses less digits than its factorization.
16108157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1239102.
The product of its (nonzero) digits is 1680, while the sum is 29.
The square root of 16108157 is about 4013.4968543653. The cubic root of 16108157 is about 252.5507240512.
The spelling of 16108157 in words is "sixteen million, one hundred eight thousand, one hundred fifty-seven".
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