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12185795404 = 225357480167
BaseRepresentation
bin10110101100101010…
…00111101101001100
31011110020201112201201
423112111013231030
5144424030423104
65333103515244
7610655360206
oct132625075514
934406645651
1012185795404
1151936224a2
122440bb8b24
1311c27b7533
14838583776
154b4c210a4
hex2d6547b4c

12185795404 has 12 divisors (see below), whose sum is σ = 21727503504. Its totient is φ = 5977937264.

The previous prime is 12185795387. The next prime is 12185795417. The reversal of 12185795404 is 40459758121.

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, 28739872 + ... + 28740295.

It is an arithmetic number, because the mean of its divisors is an integer number (1810625292).

Almost surely, 212185795404 is an apocalyptic number.

It is an amenable number.

12185795404 is a deficient number, since it is larger than the sum of its proper divisors (9541708100).

12185795404 is a wasteful number, since it uses less digits than its factorization.

12185795404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57480224 (or 57480222 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 12185795404 in words is "twelve billion, one hundred eighty-five million, seven hundred ninety-five thousand, four hundred four".

Divisors: 1 2 4 53 106 212 57480167 114960334 229920668 3046448851 6092897702 12185795404