Base | Representation |
---|---|
bin | 1011110101011010001111… |
… | …0011000110111010000111 |
3 | 1201001221202212112011011022 |
4 | 2331112203303012322013 |
5 | 3201142443212222211 |
6 | 43401420215101355 |
7 | 2512046355160544 |
oct | 275264363067207 |
9 | 51057685464138 |
10 | 13012204023431 |
11 | 4167498a42178 |
12 | 1561a2897185b |
13 | 735079185662 |
14 | 32db18b91bcb |
15 | 178725ca8bdb |
hex | bd5a3cc6e87 |
13012204023431 has 2 divisors, whose sum is σ = 13012204023432. Its totient is φ = 13012204023430.
The previous prime is 13012204023281. The next prime is 13012204023457. The reversal of 13012204023431 is 13432040221031.
It is an a-pointer prime, because the next prime (13012204023457) can be obtained adding 13012204023431 to its sum of digits (26).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 13012204023431 - 218 = 13012203761287 is a prime.
It is a super-2 number, since 2×130122040234312 (a number of 27 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 13012204023431.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13012204028431) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506102011715 + 6506102011716.
It is an arithmetic number, because the mean of its divisors is an integer number (6506102011716).
Almost surely, 213012204023431 is an apocalyptic number.
13012204023431 is a deficient number, since it is larger than the sum of its proper divisors (1).
13012204023431 is an equidigital number, since it uses as much as digits as its factorization.
13012204023431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3456, while the sum is 26.
Adding to 13012204023431 its reverse (13432040221031), we get a palindrome (26444244244462).
The spelling of 13012204023431 in words is "thirteen trillion, twelve billion, two hundred four million, twenty-three thousand, four hundred thirty-one".
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