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2044311889 is a prime number
BaseRepresentation
bin111100111011001…
…1011100101010001
312021110201210201011
41321312123211101
513141320440024
6534504410521
7101442235654
oct17166334521
95243653634
102044311889
11959a62864
12490776a41
132676c0709
1415571189b
15be717094
hex79d9b951

2044311889 has 2 divisors, whose sum is σ = 2044311890. Its totient is φ = 2044311888.

The previous prime is 2044311883. The next prime is 2044311949. The reversal of 2044311889 is 9881134402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1358291025 + 686020864 = 36855^2 + 26192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044311889 - 29 = 2044311377 is a prime.

It is a super-2 number, since 2×20443118892 = 8358422199013496642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2044311883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022155944 + 1022155945.

It is an arithmetic number, because the mean of its divisors is an integer number (1022155945).

Almost surely, 22044311889 is an apocalyptic number.

It is an amenable number.

2044311889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044311889 is an equidigital number, since it uses as much as digits as its factorization.

2044311889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 2044311889 is about 45214.0673795225. The cubic root of 2044311889 is about 1269.1580773638.

The spelling of 2044311889 in words is "two billion, forty-four million, three hundred eleven thousand, eight hundred eighty-nine".