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12692995633 = 66931189643
BaseRepresentation
bin10111101001000111…
…11011111000110001
31012202121002222122101
423310203323320301
5201443401330013
65455302540401
7626354453113
oct136443737061
935677088571
1012692995633
11542395753a
122562a37701
1312738c0a06
14885a913b3
154e450c8dd
hex2f48fbe31

12692995633 has 4 divisors (see below), whose sum is σ = 12693252208. Its totient is φ = 12692739060.

The previous prime is 12692995631. The next prime is 12692995673. The reversal of 12692995633 is 33659929621.

It is a happy number.

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 12692995633 - 21 = 12692995631 is a prime.

It is a super-2 number, since 2×126929956332 (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 (12692995631) 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, 27891 + ... + 161752.

It is an arithmetic number, because the mean of its divisors is an integer number (3173313052).

Almost surely, 212692995633 is an apocalyptic number.

It is an amenable number.

12692995633 is a deficient number, since it is larger than the sum of its proper divisors (256575).

12692995633 is an equidigital number, since it uses as much as digits as its factorization.

12692995633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256574.

The product of its digits is 4723920, while the sum is 55.

The spelling of 12692995633 in words is "twelve billion, six hundred ninety-two million, nine hundred ninety-five thousand, six hundred thirty-three".

Divisors: 1 66931 189643 12692995633