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3087108031 = 7449982217
BaseRepresentation
bin1011100000000001…
…1000011110111111
321222010221100002111
42320000120132333
522310244424111
61230155234451
7136333661650
oct27000303677
97863840074
103087108031
111344656a57
12721a48a27
133a2763057
14213ddd527
1513104da21
hexb80187bf

3087108031 has 8 divisors (see below), whose sum is σ = 3535984800. Its totient is φ = 2640196608.

The previous prime is 3087107983. The next prime is 3087108071. The reversal of 3087108031 is 1308017803.

3087108031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-3087108031 is a prime.

It is a super-2 number, since 2×30871080312 = 19060471990129393922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3087107984 and 3087108002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087108071) 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, 487966 + ... + 494251.

It is an arithmetic number, because the mean of its divisors is an integer number (441998100).

Almost surely, 23087108031 is an apocalyptic number.

3087108031 is a deficient number, since it is larger than the sum of its proper divisors (448876769).

3087108031 is an equidigital number, since it uses as much as digits as its factorization.

3087108031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982673.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 3087108031 is about 55561.7497114697. The cubic root of 3087108031 is about 1456.0756610883.

The spelling of 3087108031 in words is "three billion, eighty-seven million, one hundred eight thousand, thirty-one".

Divisors: 1 7 449 3143 982217 6875519 441015433 3087108031