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2139165167 is a prime number
BaseRepresentation
bin111111110000001…
…0001000111101111
312112002012211221112
41333200101013233
513340111241132
6552133422235
7104003414066
oct17740210757
95462184845
102139165167
119a85594a7
124b849a97b
13281251709
141641631dd
15c7c01ab2
hex7f8111ef

2139165167 has 2 divisors, whose sum is σ = 2139165168. Its totient is φ = 2139165166.

The previous prime is 2139165157. The next prime is 2139165181. The reversal of 2139165167 is 7615619312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2139165167 - 24 = 2139165151 is a prime.

It is a super-2 number, since 2×21391651672 = 9152055223412275778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2139165157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1069582583 + 1069582584.

It is an arithmetic number, because the mean of its divisors is an integer number (1069582584).

Almost surely, 22139165167 is an apocalyptic number.

2139165167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2139165167 is an equidigital number, since it uses as much as digits as its factorization.

2139165167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 41.

The square root of 2139165167 is about 46251.1099001959. The cubic root of 2139165167 is about 1288.4911483413.

The spelling of 2139165167 in words is "two billion, one hundred thirty-nine million, one hundred sixty-five thousand, one hundred sixty-seven".