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12842262205 = 52568452441
BaseRepresentation
bin10111111010111010…
…10101111010111101
31020010222222111212221
423331131111322331
5202300104342310
65522154125341
7633146266453
oct137535257275
936128874787
1012842262205
1154a0138743
1225a4a20851
1312987c3b26
1489b8289d3
15502694ada
hex2fd755ebd

12842262205 has 4 divisors (see below), whose sum is σ = 15410714652. Its totient is φ = 10273809760.

The previous prime is 12842262197. The next prime is 12842262271. The reversal of 12842262205 is 50226224821.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9658368729 + 3183893476 = 98277^2 + 56426^2 .

It is not a de Polignac number, because 12842262205 - 23 = 12842262197 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 1284226216 + ... + 1284226225.

It is an arithmetic number, because the mean of its divisors is an integer number (3852678663).

Almost surely, 212842262205 is an apocalyptic number.

It is an amenable number.

12842262205 is a deficient number, since it is larger than the sum of its proper divisors (2568452447).

12842262205 is an equidigital number, since it uses as much as digits as its factorization.

12842262205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568452446.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 12842262205 in words is "twelve billion, eight hundred forty-two million, two hundred sixty-two thousand, two hundred five".

Divisors: 1 5 2568452441 12842262205