Base | Representation |
---|---|
bin | 11100000010100111… |
… | …00110111111111111 |
3 | 1102212011022211201100 |
4 | 32001103212333333 |
5 | 221312400200411 |
6 | 10525453544143 |
7 | 1042026315612 |
oct | 160123467777 |
9 | 42764284640 |
10 | 15054303231 |
11 | 6425841920 |
12 | 2b017a5053 |
13 | 155bb80046 |
14 | a2b51c179 |
15 | 5d198e456 |
hex | 3814e6fff |
15054303231 has 72 divisors (see below), whose sum is σ = 25413882624. Its totient is φ = 8513255520.
The previous prime is 15054303227. The next prime is 15054303263. The reversal of 15054303231 is 13230345051.
It is not a de Polignac number, because 15054303231 - 22 = 15054303227 is a prime.
It is a super-2 number, since 2×150543032312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 15054303195 and 15054303204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (15054303211) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2391370 + ... + 2397656.
It is an arithmetic number, because the mean of its divisors is an integer number (352970592).
Almost surely, 215054303231 is an apocalyptic number.
15054303231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
15054303231 is a deficient number, since it is larger than the sum of its proper divisors (10359579393).
15054303231 is a wasteful number, since it uses less digits than its factorization.
15054303231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6409 (or 6387 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 27.
Adding to 15054303231 its reverse (13230345051), we get a palindrome (28284648282).
The spelling of 15054303231 in words is "fifteen billion, fifty-four million, three hundred three thousand, two hundred thirty-one".
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