Base | Representation |
---|---|
bin | 11000001100111101… |
… | …10101001001011011 |
3 | 1020112112211200001102 |
4 | 30012132311021123 |
5 | 203102333202240 |
6 | 5545202542015 |
7 | 636665115224 |
oct | 140636651133 |
9 | 36475750042 |
10 | 12993647195 |
11 | 5568636501 |
12 | 262766790b |
13 | 12c0c89249 |
14 | 8b399424b |
15 | 510ae9815 |
hex | 3067b525b |
12993647195 has 8 divisors (see below), whose sum is σ = 15593036544. Its totient is φ = 10394477824.
The previous prime is 12993647131. The next prime is 12993647197. The reversal of 12993647195 is 59174639921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12993647195 - 26 = 12993647131 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12993647195.
It is not an unprimeable number, because it can be changed into a prime (12993647197) 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, 134027 + ... + 209643.
It is an arithmetic number, because the mean of its divisors is an integer number (1949129568).
Almost surely, 212993647195 is an apocalyptic number.
12993647195 is a deficient number, since it is larger than the sum of its proper divisors (2599389349).
12993647195 is an equidigital number, since it uses as much as digits as its factorization.
12993647195 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109989.
The product of its digits is 3674160, while the sum is 56.
The spelling of 12993647195 in words is "twelve billion, nine hundred ninety-three million, six hundred forty-seven thousand, one hundred ninety-five".
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