Base | Representation |
---|---|
bin | 11100100011011110… |
… | …10011110010001100 |
3 | 1110120101002200121020 |
4 | 32101233103302030 |
5 | 222343440000022 |
6 | 11013103034140 |
7 | 1051614564405 |
oct | 162157236214 |
9 | 43511080536 |
10 | 15330000012 |
11 | 65574269a8 |
12 | 2b79b9b950 |
13 | 15a401bb32 |
14 | a55da69ac |
15 | 5eac9c35c |
hex | 391bd3c8c |
15330000012 has 24 divisors (see below), whose sum is σ = 35785542912. Its totient is φ = 5107779600.
The previous prime is 15329999987. The next prime is 15330000013. The reversal of 15330000012 is 21000003351.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 15329999946 and 15330000000.
It is not an unprimeable number, because it can be changed into a prime (15330000013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248664 + ... + 304127.
It is an arithmetic number, because the mean of its divisors is an integer number (1491064288).
Almost surely, 215330000012 is an apocalyptic number.
15330000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
15330000012 is an abundant number, since it is smaller than the sum of its proper divisors (20455542900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
15330000012 is a wasteful number, since it uses less digits than its factorization.
15330000012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 555109 (or 555107 counting only the distinct ones).
The product of its (nonzero) digits is 90, while the sum is 15.
Adding to 15330000012 its reverse (21000003351), we get a palindrome (36330003363).
The spelling of 15330000012 in words is "fifteen billion, three hundred thirty million, twelve", and thus it is an aban number.
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