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6412507814645 = 53141593994663
BaseRepresentation
bin101110101010000011101…
…0000000001101011110101
3211201000210200202201222022
41131110013100001223311
51320030304000032040
621345510533042525
71231200631041122
oct135240720015365
924630720681868
106412507814645
112052590540049
12876953a86445
1337690a0c299a
1418251d1db749
15b1c0d9b06b5
hex5d507401af5

6412507814645 has 16 divisors (see below), whose sum is σ = 7943434447872. Its totient is φ = 4964397828480.

The previous prime is 6412507814641. The next prime is 6412507814653. The reversal of 6412507814645 is 5464187052146.

It is not a de Polignac number, because 6412507814645 - 22 = 6412507814641 is a prime.

It is a super-2 number, since 2×64125078146452 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412507814641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5949584 + ... + 6944246.

It is an arithmetic number, because the mean of its divisors is an integer number (496464652992).

Almost surely, 26412507814645 is an apocalyptic number.

It is an amenable number.

6412507814645 is a deficient number, since it is larger than the sum of its proper divisors (1530926633227).

6412507814645 is a wasteful number, since it uses less digits than its factorization.

6412507814645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036292.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 6412507814645 in words is "six trillion, four hundred twelve billion, five hundred seven million, eight hundred fourteen thousand, six hundred forty-five".

Divisors: 1 5 31 155 41593 207965 994663 1289383 4973315 6446915 30834553 154172765 41371018159 206855090795 1282501562929 6412507814645