Base | Representation |
---|---|
bin | 1000001000001000101… |
… | …1101010001010111110 |
3 | 111100101120101201122012 |
4 | 2002002023222022332 |
5 | 4241422000012440 |
6 | 144050354251222 |
7 | 13041663216335 |
oct | 2020213521276 |
9 | 440346351565 |
10 | 139623047870 |
11 | 54239630459 |
12 | 23087586b12 |
13 | 102217601b7 |
14 | 6a87546d1c |
15 | 3972ab1e65 |
hex | 20822ea2be |
139623047870 has 16 divisors (see below), whose sum is σ = 251345581200. Its totient is φ = 55843864704.
The previous prime is 139623047857. The next prime is 139623047881. The reversal of 139623047870 is 78740326931.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558920 + ... + 769179.
It is an arithmetic number, because the mean of its divisors is an integer number (15709098825).
Almost surely, 2139623047870 is an apocalyptic number.
139623047870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
139623047870 is a deficient number, since it is larger than the sum of its proper divisors (111722533330).
139623047870 is a wasteful number, since it uses less digits than its factorization.
139623047870 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338619.
The product of its (nonzero) digits is 1524096, while the sum is 50.
The spelling of 139623047870 in words is "one hundred thirty-nine billion, six hundred twenty-three million, forty-seven thousand, eight hundred seventy".
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