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12837692372 = 223209423093
BaseRepresentation
bin10111111010010111…
…11010001111010100
31020010200101100020212
423331023322033110
5202242422123442
65521512144552
7633062404361
oct137513721724
936120340225
1012837692372
1154985a731a
1225a3398158
131297883a9b
1489ad99468
15502090a82
hex2fd2fa3d4

12837692372 has 6 divisors (see below), whose sum is σ = 22465961658. Its totient is φ = 6418846184.

The previous prime is 12837692333. The next prime is 12837692393. The reversal of 12837692372 is 27329673821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12799301956 + 38390416 = 113134^2 + 6196^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12837692372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604711543 + ... + 1604711550.

It is an arithmetic number, because the mean of its divisors is an integer number (3744326943).

Almost surely, 212837692372 is an apocalyptic number.

It is an amenable number.

12837692372 is a deficient number, since it is larger than the sum of its proper divisors (9628269286).

12837692372 is a wasteful number, since it uses less digits than its factorization.

12837692372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209423097 (or 3209423095 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The spelling of 12837692372 in words is "twelve billion, eight hundred thirty-seven million, six hundred ninety-two thousand, three hundred seventy-two".

Divisors: 1 2 4 3209423093 6418846186 12837692372