Base | Representation |
---|---|
bin | 10000100100101… |
… | …00001110010111 |
3 | 100200120220102202 |
4 | 20102110032113 |
5 | 241042103114 |
6 | 21443355115 |
7 | 3305433446 |
oct | 1022241627 |
9 | 320526382 |
10 | 139019159 |
11 | 71522174 |
12 | 3a682a9b |
13 | 22a55a76 |
14 | 1466ad5d |
15 | c310cde |
hex | 8494397 |
139019159 has 16 divisors (see below), whose sum is σ = 147308544. Its totient is φ = 131008800.
The previous prime is 139019141. The next prime is 139019161. The reversal of 139019159 is 951910931.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 139019159 - 216 = 138953623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139019119) 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, 313592 + ... + 314034.
It is an arithmetic number, because the mean of its divisors is an integer number (9206784).
Almost surely, 2139019159 is an apocalyptic number.
139019159 is a deficient number, since it is larger than the sum of its proper divisors (8289385).
139019159 is a wasteful number, since it uses less digits than its factorization.
139019159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 718.
The product of its (nonzero) digits is 10935, while the sum is 38.
The square root of 139019159 is about 11790.6386171403. The cubic root of 139019159 is about 518.0339455401.
The spelling of 139019159 in words is "one hundred thirty-nine million, nineteen thousand, one hundred fifty-nine".
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