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2167207172213 is a prime number
BaseRepresentation
bin11111100010010111100…
…111010001100001110101
321200011221101122021121012
4133202113213101201311
5241001420014002323
64335333511002005
7312401262006116
oct37422747214165
97604841567535
102167207172213
1176611aa4a116
122b0029369305
1312949ca02925
1476c7164c20d
153b592558678
hex1f8979d1875

2167207172213 has 2 divisors, whose sum is σ = 2167207172214. Its totient is φ = 2167207172212.

The previous prime is 2167207172191. The next prime is 2167207172219. The reversal of 2167207172213 is 3122717027612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1337799896689 + 829407275524 = 1156633^2 + 910718^2 .

It is a cyclic number.

It is not a de Polignac number, because 2167207172213 - 220 = 2167206123637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2167207172219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1083603586106 + 1083603586107.

It is an arithmetic number, because the mean of its divisors is an integer number (1083603586107).

Almost surely, 22167207172213 is an apocalyptic number.

It is an amenable number.

2167207172213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2167207172213 is an equidigital number, since it uses as much as digits as its factorization.

2167207172213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 2167207172213 in words is "two trillion, one hundred sixty-seven billion, two hundred seven million, one hundred seventy-two thousand, two hundred thirteen".