Base | Representation |
---|---|
bin | 1000000111010001111… |
… | …0001000000100000000 |
3 | 111022210112112111002021 |
4 | 2001310132020010000 |
5 | 4240434102222442 |
6 | 144011455531224 |
7 | 13033201005646 |
oct | 2016436100400 |
9 | 438715474067 |
10 | 139393007872 |
11 | 5413079aa58 |
12 | 23022529b14 |
13 | 101b5bb8961 |
14 | 6a64b85196 |
15 | 395c7c1e67 |
hex | 2074788100 |
139393007872 has 72 divisors (see below), whose sum is σ = 279663857312. Its totient is φ = 69341184000.
The previous prime is 139393007863. The next prime is 139393007893. The reversal of 139393007872 is 278700393931.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48891247 + ... + 48894097.
Almost surely, 2139393007872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 139393007872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139831928656).
139393007872 is an abundant number, since it is smaller than the sum of its proper divisors (140270849440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139393007872 is an equidigital number, since it uses as much as digits as its factorization.
139393007872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3775 (or 3761 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 52.
The spelling of 139393007872 in words is "one hundred thirty-nine billion, three hundred ninety-three million, seven thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •