Base | Representation |
---|---|
bin | 11100000001010001… |
… | …00010100101111101 |
3 | 1102211101002020102020 |
4 | 32000220202211331 |
5 | 221302002403424 |
6 | 10524411550353 |
7 | 1041531333504 |
oct | 160050424575 |
9 | 42741066366 |
10 | 15043012989 |
11 | 641a430344 |
12 | 2ab9a5b3b9 |
13 | 1559729124 |
14 | a29c1d83b |
15 | 5d09ae079 |
hex | 380a2297d |
15043012989 has 32 divisors (see below), whose sum is σ = 22283299584. Its totient is φ = 8978365440.
The previous prime is 15043012987. The next prime is 15043012993. The reversal of 15043012989 is 98921034051.
It is not a de Polignac number, because 15043012989 - 21 = 15043012987 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 15043012989.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15043012987) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176887 + ... + 247739.
It is an arithmetic number, because the mean of its divisors is an integer number (696353112).
Almost surely, 215043012989 is an apocalyptic number.
It is an amenable number.
15043012989 is a deficient number, since it is larger than the sum of its proper divisors (7240286595).
15043012989 is a wasteful number, since it uses less digits than its factorization.
15043012989 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71077.
The product of its (nonzero) digits is 77760, while the sum is 42.
The spelling of 15043012989 in words is "fifteen billion, forty-three million, twelve thousand, nine hundred eighty-nine".
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