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12345406764 = 2231397401323
BaseRepresentation
bin10110111111101011…
…11111010100101100
31011212101001122100120
423133311333110230
5200240411004024
65401004524540
7614634140355
oct133765772454
934771048316
1012345406764
115265729909
122486550750
1312198a0122
14851850d2c
154c3c4d479
hex2dfd7f52c

12345406764 has 24 divisors (see below), whose sum is σ = 29013190080. Its totient is φ = 4085529744.

The previous prime is 12345406757. The next prime is 12345406789. The reversal of 12345406764 is 46760454321.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3698994 + ... + 3702329.

It is an arithmetic number, because the mean of its divisors is an integer number (1208882920).

Almost surely, 212345406764 is an apocalyptic number.

It is an amenable number.

12345406764 is an abundant number, since it is smaller than the sum of its proper divisors (16667783316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12345406764 is a wasteful number, since it uses less digits than its factorization.

12345406764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7401469 (or 7401467 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 12345406764 in words is "twelve billion, three hundred forty-five million, four hundred six thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 139 278 417 556 834 1668 7401323 14802646 22203969 29605292 44407938 88815876 1028783897 2057567794 3086351691 4115135588 6172703382 12345406764