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2113414649 is a prime number
BaseRepresentation
bin111110111111000…
…0010010111111001
312110021202120212122
41331332002113321
513312013232044
6545413451025
7103241504513
oct17576022771
95407676778
102113414649
11994a70785
124ab940a75
13278b06a18
1416097cbb3
15c5816dee
hex7df825f9

2113414649 has 2 divisors, whose sum is σ = 2113414650. Its totient is φ = 2113414648.

The previous prime is 2113414627. The next prime is 2113414651. The reversal of 2113414649 is 9464143112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1068832249 + 1044582400 = 32693^2 + 32320^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2113414649 is a prime.

Together with 2113414651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2113414609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056707324 + 1056707325.

It is an arithmetic number, because the mean of its divisors is an integer number (1056707325).

Almost surely, 22113414649 is an apocalyptic number.

It is an amenable number.

2113414649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113414649 is an equidigital number, since it uses as much as digits as its factorization.

2113414649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 2113414649 is about 45971.8897697278. The cubic root of 2113414649 is about 1283.3001286212.

The spelling of 2113414649 in words is "two billion, one hundred thirteen million, four hundred fourteen thousand, six hundred forty-nine".