Base | Representation |
---|---|
bin | 11100100100110001… |
… | …10111001011000100 |
3 | 1110121010121002210100 |
4 | 32102120313023010 |
5 | 222404232032433 |
6 | 11014132324100 |
7 | 1052106303120 |
oct | 162230671304 |
9 | 43533532710 |
10 | 15340892868 |
11 | 6562596964 |
12 | 2b81773630 |
13 | 15a6363c02 |
14 | a57600580 |
15 | 5ebbeeb13 |
hex | 3926372c4 |
15340892868 has 36 divisors (see below), whose sum is σ = 44318135680. Its totient is φ = 4383112176.
The previous prime is 15340892863. The next prime is 15340892873. The reversal of 15340892868 is 86829804351.
15340892868 is a `hidden beast` number, since 1 + 534 + 0 + 89 + 28 + 6 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (15340892863) and next prime (15340892873).
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (15340892863) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30438028 + ... + 30438531.
Almost surely, 215340892868 is an apocalyptic number.
15340892868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
15340892868 is an abundant number, since it is smaller than the sum of its proper divisors (28977242812).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15340892868 is a wasteful number, since it uses less digits than its factorization.
15340892868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60876576 (or 60876571 counting only the distinct ones).
The product of its (nonzero) digits is 3317760, while the sum is 54.
The spelling of 15340892868 in words is "fifteen billion, three hundred forty million, eight hundred ninety-two thousand, eight hundred sixty-eight".
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