Base | Representation |
---|---|
bin | 10111110101100011… |
… | …11111110000110011 |
3 | 1020000212110110211001 |
4 | 23322301333300303 |
5 | 202202110013234 |
6 | 5513511302431 |
7 | 632062431130 |
oct | 137261776063 |
9 | 36025413731 |
10 | 12797344819 |
11 | 5477849636 |
12 | 259197aa17 |
13 | 128c3c7cac |
14 | 895895587 |
15 | 4ed770d14 |
hex | 2fac7fc33 |
12797344819 has 8 divisors (see below), whose sum is σ = 14649877088. Its totient is φ = 10950897600.
The previous prime is 12797344817. The next prime is 12797344843. The reversal of 12797344819 is 91844379721.
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 12797344819 - 21 = 12797344817 is a prime.
It is a super-2 number, since 2×127973448192 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12797344819.
It is not an unprimeable number, because it can be changed into a prime (12797344811) 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, 1516752 + ... + 1525165.
It is an arithmetic number, because the mean of its divisors is an integer number (1831234636).
Almost surely, 212797344819 is an apocalyptic number.
12797344819 is a deficient number, since it is larger than the sum of its proper divisors (1852532269).
12797344819 is an equidigital number, since it uses as much as digits as its factorization.
12797344819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3042525.
The product of its digits is 3048192, while the sum is 55.
The spelling of 12797344819 in words is "twelve billion, seven hundred ninety-seven million, three hundred forty-four thousand, eight hundred nineteen".
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