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5160641620 = 2251597161573
BaseRepresentation
bin1001100111001100…
…10010010001010100
3111022122122202102211
410303212102101110
541032111012440
62212030243204
7241612505251
oct46346222124
914278582384
105160641620
112209058482
121000356504
136432153c4
1436d55a428
152030d8eea
hex133992454

5160641620 has 24 divisors (see below), whose sum is σ = 10844200584. Its totient is φ = 2062951296.

The previous prime is 5160641617. The next prime is 5160641621. The reversal of 5160641620 is 261460615.

It can be written as a sum of positive squares in 4 ways, for example, as 304781764 + 4855859856 = 17458^2 + 69684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5160641621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48847 + ... + 112726.

It is an arithmetic number, because the mean of its divisors is an integer number (451841691).

Almost surely, 25160641620 is an apocalyptic number.

It is an amenable number.

5160641620 is an abundant number, since it is smaller than the sum of its proper divisors (5683558964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5160641620 is a wasteful number, since it uses less digits than its factorization.

5160641620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163179 (or 163177 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 5160641620 is about 71837.6058899515. The cubic root of 5160641620 is about 1728.0961402878.

The spelling of 5160641620 in words is "five billion, one hundred sixty million, six hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1597 3194 6388 7985 15970 31940 161573 323146 646292 807865 1615730 3231460 258032081 516064162 1032128324 1290160405 2580320810 5160641620