Base | Representation |
---|---|
bin | 1000001001000011110… |
… | …0111001101110000000 |
3 | 111101000211122202021210 |
4 | 2002100330321232000 |
5 | 4242423413301012 |
6 | 144131125250120 |
7 | 13051062334431 |
oct | 2022074715600 |
9 | 441024582253 |
10 | 139870837632 |
11 | 54356494589 |
12 | 23136563940 |
13 | 10260baa866 |
14 | 6aac409488 |
15 | 398970b23c |
hex | 2090f39b80 |
139870837632 has 32 divisors (see below), whose sum is σ = 371531913480. Its totient is φ = 46623612416.
The previous prime is 139870837619. The next prime is 139870837637. The reversal of 139870837632 is 236738078931.
It is a tau number, because it is divible by the number of its divisors (32).
It is a super-6 number, since 6×1398708376326 (a number of 68 digits) contains 666666 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139870837637) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182123103 + ... + 182123870.
Almost surely, 2139870837632 is an apocalyptic number.
139870837632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139870837632 is an abundant number, since it is smaller than the sum of its proper divisors (231661075848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139870837632 is an equidigital number, since it uses as much as digits as its factorization.
139870837632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 364246990 (or 364246978 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 57.
The spelling of 139870837632 in words is "one hundred thirty-nine billion, eight hundred seventy million, eight hundred thirty-seven thousand, six hundred thirty-two".
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