Base | Representation |
---|---|
bin | 1000000101111011011… |
… | …0010110110010010111 |
3 | 111021212020222000202202 |
4 | 2001132312112302113 |
5 | 4234213221322022 |
6 | 143511500555115 |
7 | 13021204501400 |
oct | 2013666266227 |
9 | 437766860682 |
10 | 139030260887 |
11 | 53a64a59861 |
12 | 22b40b52a9b |
13 | 101589bb77b |
14 | 6a2c91a9a7 |
15 | 393aa1b592 |
hex | 205ed96c97 |
139030260887 has 24 divisors (see below), whose sum is σ = 162225866880. Its totient is φ = 118803207600.
The previous prime is 139030260877. The next prime is 139030260899. The reversal of 139030260887 is 788062030931.
It is not a de Polignac number, because 139030260887 - 28 = 139030260631 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139030260877) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48764012 + ... + 48766862.
It is an arithmetic number, because the mean of its divisors is an integer number (6759411120).
Almost surely, 2139030260887 is an apocalyptic number.
139030260887 is a deficient number, since it is larger than the sum of its proper divisors (23195605993).
139030260887 is a wasteful number, since it uses less digits than its factorization.
139030260887 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5571 (or 5564 counting only the distinct ones).
The product of its (nonzero) digits is 435456, while the sum is 47.
The spelling of 139030260887 in words is "one hundred thirty-nine billion, thirty million, two hundred sixty thousand, eight hundred eighty-seven".
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