Base | Representation |
---|---|
bin | 10111111011010001… |
… | …01011001111000011 |
3 | 1020011012120110011202 |
4 | 23331220223033003 |
5 | 202301334424331 |
6 | 5522341531415 |
7 | 633213452105 |
oct | 137550531703 |
9 | 36135513152 |
10 | 12845233091 |
11 | 54a1887819 |
12 | 25a5a13b6b |
13 | 12992c4152 |
14 | 89bd9d575 |
15 | 502a7eecb |
hex | 2fda2b3c3 |
12845233091 has 2 divisors, whose sum is σ = 12845233092. Its totient is φ = 12845233090.
The previous prime is 12845233087. The next prime is 12845233097. The reversal of 12845233091 is 19033254821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12845233091 - 22 = 12845233087 is a prime.
It is not a weakly prime, because it can be changed into another prime (12845233097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422616545 + 6422616546.
It is an arithmetic number, because the mean of its divisors is an integer number (6422616546).
Almost surely, 212845233091 is an apocalyptic number.
12845233091 is a deficient number, since it is larger than the sum of its proper divisors (1).
12845233091 is an equidigital number, since it uses as much as digits as its factorization.
12845233091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 12845233091 in words is "twelve billion, eight hundred forty-five million, two hundred thirty-three thousand, ninety-one".
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