Base | Representation |
---|---|
bin | 11000011111101101… |
… | …00111110001101100 |
3 | 1020221111200212022020 |
4 | 30033312213301230 |
5 | 203413111110303 |
6 | 10012540550140 |
7 | 643614424413 |
oct | 141766476154 |
9 | 36844625266 |
10 | 13150878828 |
11 | 56393679aa |
12 | 2670252350 |
13 | 131771a909 |
14 | 8ca80247a |
15 | 51e806a53 |
hex | 30fda7c6c |
13150878828 has 24 divisors (see below), whose sum is σ = 30919627200. Its totient is φ = 4350162960.
The previous prime is 13150878799. The next prime is 13150878857. The reversal of 13150878828 is 82887805131.
It is an interprime number because it is at equal distance from previous prime (13150878799) and next prime (13150878857).
It is a super-2 number, since 2×131508788282 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4181278 + ... + 4184421.
It is an arithmetic number, because the mean of its divisors is an integer number (1288317800).
Almost surely, 213150878828 is an apocalyptic number.
It is an amenable number.
13150878828 is an abundant number, since it is smaller than the sum of its proper divisors (17768748372).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13150878828 is a wasteful number, since it uses less digits than its factorization.
13150878828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8365837 (or 8365835 counting only the distinct ones).
The product of its (nonzero) digits is 860160, while the sum is 51.
The spelling of 13150878828 in words is "thirteen billion, one hundred fifty million, eight hundred seventy-eight thousand, eight hundred twenty-eight".
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