Base | Representation |
---|---|
bin | 1000000111001110000… |
… | …0100100000111110000 |
3 | 111022202102011120220120 |
4 | 2001303200210013300 |
5 | 4240420434313442 |
6 | 144010122010240 |
7 | 13032613563252 |
oct | 2016340440760 |
9 | 438672146816 |
10 | 139376869872 |
11 | 54122678269 |
12 | 23019046980 |
13 | 101b2758346 |
14 | 6a62983cd2 |
15 | 395b1854ec |
hex | 20738241f0 |
139376869872 has 40 divisors (see below), whose sum is σ = 360114748800. Its totient is φ = 46451494080.
The previous prime is 139376869789. The next prime is 139376869949. The reversal of 139376869872 is 278968673931.
It is a junction number, because it is equal to n+sod(n) for n = 139376869797 and 139376869806.
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, 72879 + ... + 532977.
It is an arithmetic number, because the mean of its divisors is an integer number (9002868720).
Almost surely, 2139376869872 is an apocalyptic number.
139376869872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
139376869872 is an abundant number, since it is smaller than the sum of its proper divisors (220737878928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139376869872 is a wasteful number, since it uses less digits than its factorization.
139376869872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 466421 (or 466415 counting only the distinct ones).
The product of its digits is 164602368, while the sum is 69.
The spelling of 139376869872 in words is "one hundred thirty-nine billion, three hundred seventy-six million, eight hundred sixty-nine thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •