Base | Representation |
---|---|
bin | 1000000110000001011… |
… | …1100101010111101110 |
3 | 111021221000220221022202 |
4 | 2001200113211113232 |
5 | 4234241232423330 |
6 | 143514211141502 |
7 | 13021634234513 |
oct | 2014027452756 |
9 | 437830827282 |
10 | 139055748590 |
11 | 53a78388080 |
12 | 22b495a4892 |
13 | 10161073955 |
14 | 6a3207330a |
15 | 393cda3445 |
hex | 20605e55ee |
139055748590 has 64 divisors (see below), whose sum is σ = 290272481280. Its totient is φ = 47430000000.
The previous prime is 139055748569. The next prime is 139055748593. The reversal of 139055748590 is 95847550931.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139055748593) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118286 + ... + 540465.
It is an arithmetic number, because the mean of its divisors is an integer number (4535507520).
Almost surely, 2139055748590 is an apocalyptic number.
139055748590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
139055748590 is an abundant number, since it is smaller than the sum of its proper divisors (151216732690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139055748590 is a wasteful number, since it uses less digits than its factorization.
139055748590 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658889.
The product of its (nonzero) digits is 6804000, while the sum is 56.
The spelling of 139055748590 in words is "one hundred thirty-nine billion, fifty-five million, seven hundred forty-eight thousand, five hundred ninety".
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