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5281811382 = 231276931511
BaseRepresentation
bin1001110101101001…
…00000101110110110
3111122002122211002210
410322310200232312
541304120431012
62232035314250
7244613441001
oct47264405666
914562584083
105281811382
112270499081
121034a4b986
1366235b8a3
1438169c538
1520da7123c
hex13ad20bb6

5281811382 has 16 divisors (see below), whose sum is σ = 10646802432. Its totient is φ = 1746740520.

The previous prime is 5281811369. The next prime is 5281811399. The reversal of 5281811382 is 2831181825.

It is a self number, because there is not a number n which added to its sum of digits gives 5281811382.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3464994 + ... + 3466517.

It is an arithmetic number, because the mean of its divisors is an integer number (665425152).

Almost surely, 25281811382 is an apocalyptic number.

5281811382 is an abundant number, since it is smaller than the sum of its proper divisors (5364991050).

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

5281811382 is a wasteful number, since it uses less digits than its factorization.

5281811382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6931643.

The product of its digits is 30720, while the sum is 39.

The square root of 5281811382 is about 72676.0715916869. The cubic root of 5281811382 is about 1741.5166437029.

The spelling of 5281811382 in words is "five billion, two hundred eighty-one million, eight hundred eleven thousand, three hundred eighty-two".

Divisors: 1 2 3 6 127 254 381 762 6931511 13863022 20794533 41589066 880301897 1760603794 2640905691 5281811382