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13012244372 = 223253061093
BaseRepresentation
bin11000001111001011…
…10001011110010100
31020120211211111120202
430013211301132110
5203122113304442
65551105320032
7640312152341
oct140745613624
936524744522
1013012244372
115578088876
122631936018
1312c4a9acaa
148b62357c8
1551256ec32
hex307971794

13012244372 has 6 divisors (see below), whose sum is σ = 22771427658. Its totient is φ = 6506122184.

The previous prime is 13012244369. The next prime is 13012244381. The reversal of 13012244372 is 27344221031.

13012244372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9986804356 + 3025440016 = 99934^2 + 55004^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626530543 + ... + 1626530550.

It is an arithmetic number, because the mean of its divisors is an integer number (3795237943).

Almost surely, 213012244372 is an apocalyptic number.

It is an amenable number.

13012244372 is a deficient number, since it is larger than the sum of its proper divisors (9759183286).

13012244372 is a wasteful number, since it uses less digits than its factorization.

13012244372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253061097 (or 3253061095 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 13012244372 in words is "thirteen billion, twelve million, two hundred forty-four thousand, three hundred seventy-two".

Divisors: 1 2 4 3253061093 6506122186 13012244372