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6416798660945 = 542114872050007
BaseRepresentation
bin101110101100000011100…
…0000010011100101010001
3211201102212201202022112122
41131120013000103211101
51320113100424122240
621351500412504025
71231412152451111
oct135300700234521
924642781668478
106416798660945
112054392616412
12877750a7b015
133771420588aa
14182809021041
15b1db05374b5
hex5d607013951

6416798660945 has 16 divisors (see below), whose sum is σ = 7723642940928. Its totient is φ = 5117798978880.

The previous prime is 6416798660827. The next prime is 6416798660989. The reversal of 6416798660945 is 5490668976146.

It is not a de Polignac number, because 6416798660945 - 28 = 6416798660689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2105132 + ... + 4155138.

It is an arithmetic number, because the mean of its divisors is an integer number (482727683808).

Almost surely, 26416798660945 is an apocalyptic number.

It is an amenable number.

6416798660945 is a deficient number, since it is larger than the sum of its proper divisors (1306844279983).

6416798660945 is a wasteful number, since it uses less digits than its factorization.

6416798660945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051920.

The product of its (nonzero) digits is 470292480, while the sum is 71.

The spelling of 6416798660945 in words is "six trillion, four hundred sixteen billion, seven hundred ninety-eight million, six hundred sixty thousand, nine hundred forty-five".

Divisors: 1 5 421 1487 2105 7435 626027 2050007 3130135 10250035 863052947 3048360409 4315264735 15241802045 1283359732189 6416798660945