Base | Representation |
---|---|
bin | 10010111000101101100… |
… | …100001000111111001011 |
3 | 11121001222000112101000110 |
4 | 102320231210020333023 |
5 | 132230441202301412 |
6 | 2432115505205403 |
7 | 162523540562136 |
oct | 22705544107713 |
9 | 4531860471013 |
10 | 1297844572107 |
11 | 46045a476326 |
12 | 18b645630863 |
13 | 955036a0715 |
14 | 46b5d1d121d |
15 | 23b5eaaed3c |
hex | 12e2d908fcb |
1297844572107 has 8 divisors (see below), whose sum is σ = 1730487239680. Its totient is φ = 865215809640.
The previous prime is 1297844572097. The next prime is 1297844572139. The reversal of 1297844572107 is 7012754487921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1297844572107 - 27 = 1297844571979 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1297844572807) 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, 3256507 + ... + 3633252.
It is an arithmetic number, because the mean of its divisors is an integer number (216310904960).
Almost surely, 21297844572107 is an apocalyptic number.
1297844572107 is a deficient number, since it is larger than the sum of its proper divisors (432642667573).
1297844572107 is an equidigital number, since it uses as much as digits as its factorization.
1297844572107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6952553.
The product of its (nonzero) digits is 7902720, while the sum is 57.
The spelling of 1297844572107 in words is "one trillion, two hundred ninety-seven billion, eight hundred forty-four million, five hundred seventy-two thousand, one hundred seven".
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