Base | Representation |
---|---|
bin | 10000100101101… |
… | …10101000010101 |
3 | 100200212001202020 |
4 | 20102312220111 |
5 | 241111110320 |
6 | 21450403353 |
7 | 3306561351 |
oct | 1022665025 |
9 | 320761666 |
10 | 139160085 |
11 | 71609039 |
12 | 3a730559 |
13 | 22aa4c5c |
14 | 146a6461 |
15 | c33c940 |
hex | 84b6a15 |
139160085 has 48 divisors (see below), whose sum is σ = 242864640. Its totient is φ = 67962240.
The previous prime is 139160053. The next prime is 139160089. The reversal of 139160085 is 580061931.
It is not a de Polignac number, because 139160085 - 25 = 139160053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139160089) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167451 + ... + 168279.
It is an arithmetic number, because the mean of its divisors is an integer number (5059680).
Almost surely, 2139160085 is an apocalyptic number.
139160085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
139160085 is a deficient number, since it is larger than the sum of its proper divisors (103704555).
139160085 is a wasteful number, since it uses less digits than its factorization.
139160085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 906 (or 887 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 33.
The square root of 139160085 is about 11796.6132851764. The cubic root of 139160085 is about 518.2089329246.
The spelling of 139160085 in words is "one hundred thirty-nine million, one hundred sixty thousand, eighty-five".
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