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12108529946 = 236353166541
BaseRepresentation
bin10110100011011100…
…11000000100011010
31011020212100001110002
423101232120010122
5144244240424241
65321303453002
7606026543402
oct132156300432
934225301402
1012108529946
115153a49847
12241b157162
1311ac7a3a26
1482c1cd802
154ad05c89b
hex2d1b9811a

12108529946 has 8 divisors (see below), whose sum is σ = 18163403604. Its totient is φ = 6054062080.

The previous prime is 12108529919. The next prime is 12108529967. The reversal of 12108529946 is 64992580121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11845927921 + 262602025 = 108839^2 + 16205^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12108529946.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10565 + ... + 155976.

Almost surely, 212108529946 is an apocalyptic number.

12108529946 is a deficient number, since it is larger than the sum of its proper divisors (6054873658).

12108529946 is a wasteful number, since it uses less digits than its factorization.

12108529946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202896.

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 12108529946 in words is "twelve billion, one hundred eight million, five hundred twenty-nine thousand, nine hundred forty-six".

Divisors: 1 2 36353 72706 166541 333082 6054264973 12108529946