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206630612625629 = 4878592111233983
BaseRepresentation
bin101110111110110111110000…
…010000111110100011011101
31000002121200201200002011201002
4232332313300100332203131
5204040413443313010004
62011244443141400045
761344366130565303
oct5676676020764335
91002550650064632
10206630612625629
115a925606a83aa5
121b212492109025
138b3b24c53a82a
143904d91614273
1518d4e0a68261e
hexbbedf043e8dd

206630612625629 has 16 divisors (see below), whose sum is σ = 207395031613440. Its totient is φ = 205867817915760.

The previous prime is 206630612625611. The next prime is 206630612625667. The reversal of 206630612625629 is 926526216036602.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206630612625629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206630612655629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882983972 + ... + 883217954.

It is an arithmetic number, because the mean of its divisors is an integer number (12962189475840).

Almost surely, 2206630612625629 is an apocalyptic number.

It is an amenable number.

206630612625629 is a deficient number, since it is larger than the sum of its proper divisors (764418987811).

206630612625629 is a wasteful number, since it uses less digits than its factorization.

206630612625629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237440.

The product of its (nonzero) digits is 16796160, while the sum is 56.

The spelling of 206630612625629 in words is "two hundred six trillion, six hundred thirty billion, six hundred twelve million, six hundred twenty-five thousand, six hundred twenty-nine".

Divisors: 1 487 859 2111 233983 418333 1028057 1813349 113949721 200991397 493938113 883100963 97882810339 240547861031 424292839067 206630612625629