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3056861887 = 41263283489
BaseRepresentation
bin1011011000110100…
…0000001010111111
321220001000200011221
42312031000022333
522230024040022
61223155054211
7135515616532
oct26615001277
97801020157
103056861887
111329578642
127138a1367
13399403021
1420dda8a19
1512d576cc7
hexb63402bf

3056861887 has 8 divisors (see below), whose sum is σ = 3143337120. Its totient is φ = 2970954240.

The previous prime is 3056861869. The next prime is 3056861909. The reversal of 3056861887 is 7881686503.

3056861887 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 cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3056861887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3056861287) 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, 130962 + ... + 152527.

It is an arithmetic number, because the mean of its divisors is an integer number (392917140).

Almost surely, 23056861887 is an apocalyptic number.

3056861887 is a deficient number, since it is larger than the sum of its proper divisors (86475233).

3056861887 is a wasteful number, since it uses less digits than its factorization.

3056861887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283793.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 3056861887 is about 55288.8947890985. The cubic root of 3056861887 is about 1451.3047134164.

The spelling of 3056861887 in words is "three billion, fifty-six million, eight hundred sixty-one thousand, eight hundred eighty-seven".

Divisors: 1 41 263 10783 283489 11623049 74557607 3056861887