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2122341509 is a prime number
BaseRepresentation
bin111111010000000…
…0101110010000101
312110220120010020002
41332200011302011
513321304412014
6550333051045
7103410414401
oct17640056205
95426503202
102122341509
1199a008652
124b2926a85
1327a910ca2
14161c24101
15c64cbdde
hex7e805c85

2122341509 has 2 divisors, whose sum is σ = 2122341510. Its totient is φ = 2122341508.

The previous prime is 2122341493. The next prime is 2122341563. The reversal of 2122341509 is 9051432212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1740725284 + 381616225 = 41722^2 + 19535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122341509 - 24 = 2122341493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122341409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061170754 + 1061170755.

It is an arithmetic number, because the mean of its divisors is an integer number (1061170755).

Almost surely, 22122341509 is an apocalyptic number.

It is an amenable number.

2122341509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122341509 is an equidigital number, since it uses as much as digits as its factorization.

2122341509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2122341509 is about 46068.8778786721. The cubic root of 2122341509 is about 1285.1044359900.

The spelling of 2122341509 in words is "two billion, one hundred twenty-two million, three hundred forty-one thousand, five hundred nine".