Base | Representation |
---|---|
bin | 10111010010001110… |
… | …00011111101011010 |
3 | 1012021012121100121212 |
4 | 23221013003331122 |
5 | 201100211032041 |
6 | 5424241103122 |
7 | 621532462652 |
oct | 135107037532 |
9 | 35235540555 |
10 | 12500877146 |
11 | 533546802a |
12 | 250a627aa2 |
13 | 1242b65c34 |
14 | 868361362 |
15 | 4d270d8eb |
hex | 2e91c3f5a |
12500877146 has 8 divisors (see below), whose sum is σ = 18752694420. Its totient is φ = 6249979008.
The previous prime is 12500877127. The next prime is 12500877149. The reversal of 12500877146 is 64177800521.
It can be written as a sum of positive squares in 2 ways, for example, as 12190588921 + 310288225 = 110411^2 + 17615^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (12500877149) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194711 + ... + 250826.
Almost surely, 212500877146 is an apocalyptic number.
12500877146 is a deficient number, since it is larger than the sum of its proper divisors (6251817274).
12500877146 is a wasteful number, since it uses less digits than its factorization.
12500877146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 459568.
The product of its (nonzero) digits is 94080, while the sum is 41.
The spelling of 12500877146 in words is "twelve billion, five hundred million, eight hundred seventy-seven thousand, one hundred forty-six".
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