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3086421169 = 13762131153
BaseRepresentation
bin1011011111110111…
…0000110010110001
321222002122102220011
42313331300302301
522310110434134
61230132414521
7136325101306
oct26775606261
97862572804
103086421169
1113442279a7
12721777441
133a2582520
14213ca10ad
15130e65264
hexb7f70cb1

3086421169 has 8 divisors (see below), whose sum is σ = 3324381032. Its totient is φ = 2848538880.

The previous prime is 3086421167. The next prime is 3086421223. The reversal of 3086421169 is 9611246803.

It can be written as a sum of positive squares in 4 ways, for example, as 249260944 + 2837160225 = 15788^2 + 53265^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3086421169 - 21 = 3086421167 is a prime.

It is a super-2 number, since 2×30864211692 = 19051991264902653122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3086421167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83497 + ... + 114649.

It is an arithmetic number, because the mean of its divisors is an integer number (415547629).

Almost surely, 23086421169 is an apocalyptic number.

It is an amenable number.

3086421169 is a deficient number, since it is larger than the sum of its proper divisors (237959863).

3086421169 is a wasteful number, since it uses less digits than its factorization.

3086421169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38787.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 3086421169 is about 55555.5682987763. The cubic root of 3086421169 is about 1455.9676638717.

The spelling of 3086421169 in words is "three billion, eighty-six million, four hundred twenty-one thousand, one hundred sixty-nine".

Divisors: 1 13 7621 31153 99073 404989 237417013 3086421169