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5087434891 = 711163405341
BaseRepresentation
bin1001011110011110…
…00001100010001011
3111010112220110200111
410233033001202023
540404340404031
62200453215151
7240033324460
oct45717014213
914115813614
105087434891
1121807a7150
12b9b9314b7
13630cc3106
14363941667
151eb9781b1
hex12f3c188b

5087434891 has 16 divisors (see below), whose sum is σ = 6381704448. Its totient is φ = 3939904800.

The previous prime is 5087434879. The next prime is 5087434921. The reversal of 5087434891 is 1984347805.

It is a cyclic number.

It is not a de Polignac number, because 5087434891 - 27 = 5087434763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5087434871) 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, 190120 + ... + 215221.

It is an arithmetic number, because the mean of its divisors is an integer number (398856528).

Almost surely, 25087434891 is an apocalyptic number.

5087434891 is a deficient number, since it is larger than the sum of its proper divisors (1294269557).

5087434891 is a wasteful number, since it uses less digits than its factorization.

5087434891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405522.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 5087434891 is about 71326.2566731214. The cubic root of 5087434891 is about 1719.8858418690.

The spelling of 5087434891 in words is "five billion, eighty-seven million, four hundred thirty-four thousand, eight hundred ninety-one".

Divisors: 1 7 11 77 163 1141 1793 12551 405341 2837387 4458751 31211257 66070583 462494081 726776413 5087434891