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2144430130169 is a prime number
BaseRepresentation
bin11111001101001001111…
…111110000001111111001
321121000011000121122211102
4133031021333300033321
5240113243103131134
64321045415541145
7310633656232535
oct37151177601771
97530130548742
102144430130169
117574a19a3328
122a773138a7b5
131272acba8662
1475b105dabc5
153abacada37e
hex1f349ff03f9

2144430130169 has 2 divisors, whose sum is σ = 2144430130170. Its totient is φ = 2144430130168.

The previous prime is 2144430130123. The next prime is 2144430130181. The reversal of 2144430130169 is 9610310344412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1333551492025 + 810878638144 = 1154795^2 + 900488^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2144430130169 is a prime.

It is a super-2 number, since 2×21444301301692 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2144430139169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072215065084 + 1072215065085.

It is an arithmetic number, because the mean of its divisors is an integer number (1072215065085).

Almost surely, 22144430130169 is an apocalyptic number.

It is an amenable number.

2144430130169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144430130169 is an equidigital number, since it uses as much as digits as its factorization.

2144430130169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 2144430130169 in words is "two trillion, one hundred forty-four billion, four hundred thirty million, one hundred thirty thousand, one hundred sixty-nine".