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5281110920 = 235132027773
BaseRepresentation
bin1001110101100011…
…10101101110001000
3111122001100020020202
410322301311232020
541303431022140
62232012311332
7244604462561
oct47261655610
914561306222
105281110920
11227005a888
121034772548
13662174b07
14381559168
1520d983915
hex13ac75b88

5281110920 has 16 divisors (see below), whose sum is σ = 11882499660. Its totient is φ = 2112444352.

The previous prime is 5281110907. The next prime is 5281110949. The reversal of 5281110920 is 290111825.

It can be written as a sum of positive squares in 2 ways, for example, as 5251321156 + 29789764 = 72466^2 + 5458^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66013847 + ... + 66013926.

Almost surely, 25281110920 is an apocalyptic number.

It is an amenable number.

5281110920 is an abundant number, since it is smaller than the sum of its proper divisors (6601388740).

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

5281110920 is a wasteful number, since it uses less digits than its factorization.

5281110920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132027784 (or 132027780 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 5281110920 is about 72671.2523629530. The cubic root of 5281110920 is about 1741.4396549534.

The spelling of 5281110920 in words is "five billion, two hundred eighty-one million, one hundred ten thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 132027773 264055546 528111092 660138865 1056222184 1320277730 2640555460 5281110920