Base | Representation |
---|---|
bin | 1000000111001111101… |
… | …1001000010100100100 |
3 | 111022202220021101202020 |
4 | 2001303323020110210 |
5 | 4240424230141032 |
6 | 144010531143140 |
7 | 13033030016442 |
oct | 2016373102444 |
9 | 438686241666 |
10 | 139383833892 |
11 | 541265a4456 |
12 | 2301b444ab0 |
13 | 101b4026074 |
14 | 6a63877b92 |
15 | 395baadb2c |
hex | 2073ec8524 |
139383833892 has 48 divisors (see below), whose sum is σ = 327786131904. Its totient is φ = 46096128000.
The previous prime is 139383833891. The next prime is 139383833903. The reversal of 139383833892 is 298338383931.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (139383833891) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10181292 + ... + 10194972.
It is an arithmetic number, because the mean of its divisors is an integer number (6828877748).
Almost surely, 2139383833892 is an apocalyptic number.
139383833892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139383833892 is an abundant number, since it is smaller than the sum of its proper divisors (188402298012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139383833892 is a wasteful number, since it uses less digits than its factorization.
139383833892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20300 (or 20298 counting only the distinct ones).
The product of its digits is 20155392, while the sum is 60.
The spelling of 139383833892 in words is "one hundred thirty-nine billion, three hundred eighty-three million, eight hundred thirty-three thousand, eight hundred ninety-two".
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