Base | Representation |
---|---|
bin | 1000000101101110011… |
… | …1000000001000101000 |
3 | 111021201110200102112200 |
4 | 2001123213000020220 |
5 | 4234110312414141 |
6 | 143502235540200 |
7 | 13016644460355 |
oct | 2013347001050 |
9 | 437643612480 |
10 | 138975904296 |
11 | 53a37302959 |
12 | 22b268ba660 |
13 | 1014a6693c8 |
14 | 6a2560b62c |
15 | 3935d80ab6 |
hex | 205b9c0228 |
138975904296 has 48 divisors (see below), whose sum is σ = 376434463860. Its totient is φ = 46320207360.
The previous prime is 138975904261. The next prime is 138975904357. The reversal of 138975904296 is 692409579831.
138975904296 is a `hidden beast` number, since 1 + 38 + 9 + 7 + 590 + 4 + 2 + 9 + 6 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 138969401796 + 6502500 = 372786^2 + 2550^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 584146 + ... + 786878.
It is a 1-persistent number, because it is pandigital, but 2⋅138975904296 = 277951808592 is not.
Almost surely, 2138975904296 is an apocalyptic number.
It is an amenable number.
138975904296 is an abundant number, since it is smaller than the sum of its proper divisors (237458559564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
138975904296 is a wasteful number, since it uses less digits than its factorization.
138975904296 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 212266 (or 212259 counting only the distinct ones).
The product of its (nonzero) digits is 29393280, while the sum is 63.
The spelling of 138975904296 in words is "one hundred thirty-eight billion, nine hundred seventy-five million, nine hundred four thousand, two hundred ninety-six".
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