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12136146169 = 71733735167
BaseRepresentation
bin10110100110101111…
…01110010011111001
31011022210022002210011
423103113232103321
5144323323134134
65324131421521
7606513353230
oct132327562371
934283262704
1012136146169
1151685a1274
1224284548a1
1311b54229a4
14831b3bb17
154b06b5264
hex2d35ee4f9

12136146169 has 4 divisors (see below), whose sum is σ = 13869881344. Its totient is φ = 10402410996.

The previous prime is 12136146047. The next prime is 12136146181. The reversal of 12136146169 is 96164163121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12136146169 - 213 = 12136137977 is a prime.

It is a super-2 number, since 2×121361461692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12136143169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866867577 + ... + 866867590.

It is an arithmetic number, because the mean of its divisors is an integer number (3467470336).

Almost surely, 212136146169 is an apocalyptic number.

It is an amenable number.

12136146169 is a deficient number, since it is larger than the sum of its proper divisors (1733735175).

12136146169 is an equidigital number, since it uses as much as digits as its factorization.

12136146169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733735174.

The product of its digits is 46656, while the sum is 40.

The spelling of 12136146169 in words is "twelve billion, one hundred thirty-six million, one hundred forty-six thousand, one hundred sixty-nine".

Divisors: 1 7 1733735167 12136146169