Base | Representation |
---|---|
bin | 10111111100010111… |
… | …00010110110100101 |
3 | 1020011211202211212102 |
4 | 23332023202312211 |
5 | 202311204430142 |
6 | 5523305501445 |
7 | 633354242306 |
oct | 137613426645 |
9 | 36154684772 |
10 | 12854373797 |
11 | 54a6a60321 |
12 | 25a8aa1885 |
13 | 129b174855 |
14 | 89d29c7ad |
15 | 503788532 |
hex | 2fe2e2da5 |
12854373797 has 4 divisors (see below), whose sum is σ = 12872977056. Its totient is φ = 12835770540.
The previous prime is 12854373793. The next prime is 12854373811. The reversal of 12854373797 is 79737345821.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12854373797 - 22 = 12854373793 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12854373793) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300593 + ... + 9301974.
It is an arithmetic number, because the mean of its divisors is an integer number (3218244264).
Almost surely, 212854373797 is an apocalyptic number.
It is an amenable number.
12854373797 is a deficient number, since it is larger than the sum of its proper divisors (18603259).
12854373797 is an equidigital number, since it uses as much as digits as its factorization.
12854373797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18603258.
The product of its digits is 8890560, while the sum is 56.
The spelling of 12854373797 in words is "twelve billion, eight hundred fifty-four million, three hundred seventy-three thousand, seven hundred ninety-seven".
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