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12068071895 = 511219419489
BaseRepresentation
bin10110011110101000…
…00010100111010111
31011011001012120102202
423033110002213113
5144203411300040
65313300355115
7605025630035
oct131724024727
934131176382
1012068071895
115133126040
1224096a5a9b
1311a42a9859
14826a9b555
154a971a015
hex2cf5029d7

12068071895 has 8 divisors (see below), whose sum is σ = 15798203280. Its totient is φ = 8776779520.

The previous prime is 12068071891. The next prime is 12068071907. The reversal of 12068071895 is 59817086021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12068071895 - 22 = 12068071891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12068071891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109709690 + ... + 109709799.

It is an arithmetic number, because the mean of its divisors is an integer number (1974775410).

Almost surely, 212068071895 is an apocalyptic number.

12068071895 is a deficient number, since it is larger than the sum of its proper divisors (3730131385).

12068071895 is a wasteful number, since it uses less digits than its factorization.

12068071895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219419505.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 12068071895 in words is "twelve billion, sixty-eight million, seventy-one thousand, eight hundred ninety-five".

Divisors: 1 5 11 55 219419489 1097097445 2413614379 12068071895