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12164291369 is a prime number
BaseRepresentation
bin10110101010000110…
…00101101100101001
31011101202021000201222
423111003011230221
5144403024310434
65331014551425
7610304525216
oct132503055451
934352230658
1012164291369
11518247516a
122435968575
1311bb1c8659
14835786b0d
154b2dc472e
hex2d50c5b29

12164291369 has 2 divisors, whose sum is σ = 12164291370. Its totient is φ = 12164291368.

The previous prime is 12164291351. The next prime is 12164291411. The reversal of 12164291369 is 96319246121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6160366144 + 6003925225 = 78488^2 + 77485^2 .

It is a cyclic number.

It is not a de Polignac number, because 12164291369 - 228 = 11895855913 is a prime.

It is a super-2 number, since 2×121642913692 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12164291339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082145684 + 6082145685.

It is an arithmetic number, because the mean of its divisors is an integer number (6082145685).

Almost surely, 212164291369 is an apocalyptic number.

It is an amenable number.

12164291369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164291369 is an equidigital number, since it uses as much as digits as its factorization.

12164291369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The spelling of 12164291369 in words is "twelve billion, one hundred sixty-four million, two hundred ninety-one thousand, three hundred sixty-nine".