Base | Representation |
---|---|
bin | 11100101001011011… |
… | …11101111110011101 |
3 | 1110200212010221111220 |
4 | 32110231331332131 |
5 | 222444233331224 |
6 | 11022050203553 |
7 | 1053062450250 |
oct | 162455757635 |
9 | 43625127456 |
10 | 15379980189 |
11 | 6582663832 |
12 | 2b928835b9 |
13 | 15b149b1c2 |
14 | a5c897097 |
15 | 600371279 |
hex | 394b7df9d |
15379980189 has 32 divisors (see below), whose sum is σ = 24832475136. Its totient is φ = 8265680640.
The previous prime is 15379980137. The next prime is 15379980227. The reversal of 15379980189 is 98108997351.
It is not a de Polignac number, because 15379980189 - 27 = 15379980061 is a prime.
It is a super-2 number, since 2×153799801892 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15379981189) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 510504 + ... + 539790.
It is an arithmetic number, because the mean of its divisors is an integer number (776014848).
Almost surely, 215379980189 is an apocalyptic number.
It is an amenable number.
15379980189 is a deficient number, since it is larger than the sum of its proper divisors (9452494947).
15379980189 is a wasteful number, since it uses less digits than its factorization.
15379980189 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30785.
The product of its (nonzero) digits is 4898880, while the sum is 60.
The spelling of 15379980189 in words is "fifteen billion, three hundred seventy-nine million, nine hundred eighty thousand, one hundred eighty-nine".
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