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12692732005 = 54864752183
BaseRepresentation
bin10111101001000101…
…11011100001100101
31012202120121121000101
423310202323201211
5201443314411010
65455253144101
7626352304402
oct136442734145
935676547011
1012692732005
115423797468
12256292b031
13127382aa15
14885a232a9
154e44a973a
hex2f48bb865

12692732005 has 8 divisors (see below), whose sum is σ = 15231883392. Its totient is φ = 10153782288.

The previous prime is 12692731991. The next prime is 12692732011. The reversal of 12692732005 is 50023729621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12692732005 - 229 = 12155861093 is a prime.

It is a super-2 number, since 2×126927320052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217144 + ... + 269326.

It is an arithmetic number, because the mean of its divisors is an integer number (1903985424).

Almost surely, 212692732005 is an apocalyptic number.

It is an amenable number.

12692732005 is a deficient number, since it is larger than the sum of its proper divisors (2539151387).

12692732005 is an equidigital number, since it uses as much as digits as its factorization.

12692732005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100835.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 12692732005 in words is "twelve billion, six hundred ninety-two million, seven hundred thirty-two thousand, five".

Divisors: 1 5 48647 52183 243235 260915 2538546401 12692732005