Base | Representation |
---|---|
bin | 11100000001010001… |
… | …00010100110100111 |
3 | 1102211101002020110210 |
4 | 32000220202212213 |
5 | 221302002404111 |
6 | 10524411550503 |
7 | 1041531333564 |
oct | 160050424647 |
9 | 42741066423 |
10 | 15043013031 |
11 | 641a430382 |
12 | 2ab9a5b433 |
13 | 1559729157 |
14 | a29c1d86b |
15 | 5d09ae0a6 |
hex | 380a229a7 |
15043013031 has 16 divisors (see below), whose sum is σ = 20523016800. Its totient is φ = 9798049920.
The previous prime is 15043013021. The next prime is 15043013107. The reversal of 15043013031 is 13031034051.
It is not a de Polignac number, because 15043013031 - 210 = 15043012007 is a prime.
It is a super-2 number, since 2×150430130312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15043012989 and 15043013007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15043013021) 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, 248580 + ... + 303113.
It is an arithmetic number, because the mean of its divisors is an integer number (1282688550).
Almost surely, 215043013031 is an apocalyptic number.
15043013031 is a deficient number, since it is larger than the sum of its proper divisors (5480003769).
15043013031 is a wasteful number, since it uses less digits than its factorization.
15043013031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 551906.
The product of its (nonzero) digits is 540, while the sum is 21.
Adding to 15043013031 its reverse (13031034051), we get a palindrome (28074047082).
The spelling of 15043013031 in words is "fifteen billion, forty-three million, thirteen thousand, thirty-one".
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