Base | Representation |
---|---|
bin | 10111011111100111… |
… | …00000110010010010 |
3 | 1012120000221120210202 |
4 | 23233303200302102 |
5 | 201312434132400 |
6 | 5443332255202 |
7 | 624365240666 |
oct | 135763406222 |
9 | 35500846722 |
10 | 12613192850 |
11 | 5392900525 |
12 | 2540171502 |
13 | 12601cc32b |
14 | 87923a8a6 |
15 | 4dc4e74d5 |
hex | 2efce0c92 |
12613192850 has 24 divisors (see below), whose sum is σ = 24032750868. Its totient is φ = 4922220800.
The previous prime is 12613192843. The next prime is 12613192861. The reversal of 12613192850 is 5829131621.
It is a happy number.
12613192850 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 5160841921 + 7452350929 = 71839^2 + 86327^2 .
It is a super-2 number, since 2×126131928502 (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 11 ways as a sum of consecutive naturals, for example, 3074339 + ... + 3078438.
Almost surely, 212613192850 is an apocalyptic number.
12613192850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12613192850 is a deficient number, since it is larger than the sum of its proper divisors (11419558018).
12613192850 is a wasteful number, since it uses less digits than its factorization.
12613192850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6152830 (or 6152825 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 38.
The spelling of 12613192850 in words is "twelve billion, six hundred thirteen million, one hundred ninety-two thousand, eight hundred fifty".
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