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3080945664 = 2153231337
BaseRepresentation
bin1011011110100011…
…1000000000000000
321221201100020220200
42313220320000000
522302210230124
61225415205200
7136230414606
oct26750700000
97851306820
103080945664
111341128095
1271b976800
133a13b6194
14213277876
15130732bc9
hexb7a38000

3080945664 has 192 divisors, whose sum is σ = 9214745280. Its totient is φ = 990904320.

The previous prime is 3080945617. The next prime is 3080945669. The reversal of 3080945664 is 4665490803.

3080945664 is a `hidden beast` number, since 3 + 0 + 80 + 9 + 4 + 566 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3080945669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9142104 + ... + 9142440.

It is an arithmetic number, because the mean of its divisors is an integer number (47993465).

Almost surely, 23080945664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3080945664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4607372640).

3080945664 is an abundant number, since it is smaller than the sum of its proper divisors (6133799616).

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

3080945664 is an equidigital number, since it uses as much as digits as its factorization.

3080945664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 3080945664 is about 55506.2668894243. The cubic root of 3080945664 is about 1455.1061615245.

The spelling of 3080945664 in words is "three billion, eighty million, nine hundred forty-five thousand, six hundred sixty-four".