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2538206616087 = 323150211811893
BaseRepresentation
bin100100111011111000111…
…001110101101000010111
322222122112222112202110200
4210323320321311220113
5313041221343203322
65222011440351543
7351244061154612
oct44737071655027
98878488482420
102538206616087
118994a151145a
1234bb083155b3
1315547604cb8c
148abc800b179
1546057e498ac
hex24ef8e75a17

2538206616087 has 24 divisors (see below), whose sum is σ = 3785321973888. Its totient is φ = 1637225611200.

The previous prime is 2538206616083. The next prime is 2538206616097. The reversal of 2538206616087 is 7806166028352.

2538206616087 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 20 + 6 + 6 + 1 + 608 + 7 = 666.

It is not a de Polignac number, because 2538206616087 - 22 = 2538206616083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538206616083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 494913 + ... + 2306805.

It is an arithmetic number, because the mean of its divisors is an integer number (157721748912).

Almost surely, 22538206616087 is an apocalyptic number.

2538206616087 is a deficient number, since it is larger than the sum of its proper divisors (1247115357801).

2538206616087 is a wasteful number, since it uses less digits than its factorization.

2538206616087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816951 (or 1816948 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 2538206616087 in words is "two trillion, five hundred thirty-eight billion, two hundred six million, six hundred sixteen thousand, eighty-seven".

Divisors: 1 3 9 31 93 279 5021 15063 45189 155651 466953 1400859 1811893 5435679 16307037 56168683 168506049 505518147 9097514753 27292544259 81877632777 282022957343 846068872029 2538206616087