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12054486689 = 710915798803
BaseRepresentation
bin10110011101000000…
…01101111010100001
31011010002122101000222
423032200031322201
5144141422033224
65312053252425
7604502306030
oct131640157241
934102571028
1012054486689
1151264972a3
122405034115
1311a153117b
14824d62717
154a8434b5e
hex2ce80dea1

12054486689 has 8 divisors (see below), whose sum is σ = 13902947520. Its totient is φ = 10237623696.

The previous prime is 12054486677. The next prime is 12054486721. The reversal of 12054486689 is 98668445021.

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

It is a cyclic number.

It is not a de Polignac number, because 12054486689 - 224 = 12037709473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12054486689.

It is not an unprimeable number, because it can be changed into a prime (12054485689) 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, 7898639 + ... + 7900164.

It is an arithmetic number, because the mean of its divisors is an integer number (1737868440).

Almost surely, 212054486689 is an apocalyptic number.

It is an amenable number.

12054486689 is a deficient number, since it is larger than the sum of its proper divisors (1848460831).

12054486689 is a wasteful number, since it uses less digits than its factorization.

12054486689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15798919.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 12054486689 in words is "twelve billion, fifty-four million, four hundred eighty-six thousand, six hundred eighty-nine".

Divisors: 1 7 109 763 15798803 110591621 1722069527 12054486689