Base | Representation |
---|---|
bin | 1000010111101111… |
… | …0010101111110001 |
3 | 12210121012122222212 |
4 | 2011323302233301 |
5 | 14100220402311 |
6 | 1010545541505 |
7 | 106453362632 |
oct | 20573625761 |
9 | 5717178885 |
10 | 2247044081 |
11 | a53441527 |
12 | 528644895 |
13 | 29a6c34a9 |
14 | 174605889 |
15 | d2410c8b |
hex | 85ef2bf1 |
2247044081 has 2 divisors, whose sum is σ = 2247044082. Its totient is φ = 2247044080.
The previous prime is 2247044069. The next prime is 2247044167. The reversal of 2247044081 is 1804407422.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1217661025 + 1029383056 = 34895^2 + 32084^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2247044081 is a prime.
It is a super-2 number, since 2×22470440812 = 10098414203914269122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (2247041081) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123522040 + 1123522041.
It is an arithmetic number, because the mean of its divisors is an integer number (1123522041).
Almost surely, 22247044081 is an apocalyptic number.
It is an amenable number.
2247044081 is a deficient number, since it is larger than the sum of its proper divisors (1).
2247044081 is an equidigital number, since it uses as much as digits as its factorization.
2247044081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 14336, while the sum is 32.
The square root of 2247044081 is about 47402.9965403032. The cubic root of 2247044081 is about 1309.7966160565.
The spelling of 2247044081 in words is "two billion, two hundred forty-seven million, forty-four thousand, eighty-one".
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