Base | Representation |
---|---|
bin | 1000001000100100011… |
… | …1001010110000101001 |
3 | 111100200200011111212102 |
4 | 2002021013022300221 |
5 | 4242141230424040 |
6 | 144110110223145 |
7 | 13044604355330 |
oct | 2021107126051 |
9 | 440620144772 |
10 | 139739311145 |
11 | 5429921a805 |
12 | 230ba4b4ab5 |
13 | 1023c879335 |
14 | 6a98b6cd17 |
15 | 397cdca515 |
hex | 20891cac29 |
139739311145 has 16 divisors (see below), whose sum is σ = 191722817280. Its totient is φ = 95781075264.
The previous prime is 139739311099. The next prime is 139739311157. The reversal of 139739311145 is 541113937931.
It is not a de Polignac number, because 139739311145 - 220 = 139738262569 is a prime.
It is a super-2 number, since 2×1397393111452 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 139739311145.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751997 + ... + 919226.
It is an arithmetic number, because the mean of its divisors is an integer number (11982676080).
Almost surely, 2139739311145 is an apocalyptic number.
It is an amenable number.
139739311145 is a deficient number, since it is larger than the sum of its proper divisors (51983506135).
139739311145 is a wasteful number, since it uses less digits than its factorization.
139739311145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1673624.
The product of its digits is 306180, while the sum is 47.
The spelling of 139739311145 in words is "one hundred thirty-nine billion, seven hundred thirty-nine million, three hundred eleven thousand, one hundred forty-five".
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