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12912410474 = 26456205237
BaseRepresentation
bin11000000011010001…
…11011111101101010
31020022212222102012222
430001220323331222
5202421034113344
65533141434042
7634660451405
oct140150737552
936285872188
1012912410474
1155267a0117
12260440b922
1312aa1b4c92
148a6c88d3c
155088ee5ee
hex301a3bf6a

12912410474 has 4 divisors (see below), whose sum is σ = 19368615714. Its totient is φ = 6456205236.

The previous prime is 12912410471. The next prime is 12912410509. The reversal of 12912410474 is 47401421921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12074713225 + 837697249 = 109885^2 + 28943^2 .

It is not an unprimeable number, because it can be changed into a prime (12912410471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228102617 + ... + 3228102620.

Almost surely, 212912410474 is an apocalyptic number.

12912410474 is a deficient number, since it is larger than the sum of its proper divisors (6456205240).

12912410474 is an equidigital number, since it uses as much as digits as its factorization.

12912410474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456205239.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 12912410474 in words is "twelve billion, nine hundred twelve million, four hundred ten thousand, four hundred seventy-four".

Divisors: 1 2 6456205237 12912410474