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5106108281 = 6361802721
BaseRepresentation
bin1001100000101100…
…10000011101111001
3111011212001011202112
410300112100131321
540424130431111
62202401342105
7240351130031
oct46026203571
914155034675
105106108281
1121902a07aa
12ba6037935
13634b30761
143662028c1
151ed415e8b
hex130590779

5106108281 has 4 divisors (see below), whose sum is σ = 5106917364. Its totient is φ = 5105299200.

The previous prime is 5106108233. The next prime is 5106108313. The reversal of 5106108281 is 1828016015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1775779600 + 3330328681 = 42140^2 + 57709^2 .

It is a cyclic number.

It is not a de Polignac number, because 5106108281 - 214 = 5106091897 is a prime.

It is a super-2 number, since 2×51061082812 = 52144683554593549922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5106108181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395000 + ... + 407721.

It is an arithmetic number, because the mean of its divisors is an integer number (1276729341).

Almost surely, 25106108281 is an apocalyptic number.

It is an amenable number.

5106108281 is a deficient number, since it is larger than the sum of its proper divisors (809083).

5106108281 is an equidigital number, since it uses as much as digits as its factorization.

5106108281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809082.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 5106108281 is about 71457.0380088624. The cubic root of 5106108281 is about 1721.9875483764.

The spelling of 5106108281 in words is "five billion, one hundred six million, one hundred eight thousand, two hundred eighty-one".

Divisors: 1 6361 802721 5106108281