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3920080641 = 31399400673
BaseRepresentation
bin1110100110100111…
…1010111100000001
3101010012022201200220
43221221322330001
531012020040031
61444552533253
7166100064351
oct35151727401
911105281626
103920080641
111731868674
129149b1229
134a61bbc59
142928acb61
1517e23a596
hexe9a7af01

3920080641 has 8 divisors (see below), whose sum is σ = 5264377440. Its totient is φ = 2594585472.

The previous prime is 3920080639. The next prime is 3920080657. The reversal of 3920080641 is 1460800293.

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

It is not a de Polignac number, because 3920080641 - 21 = 3920080639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3920080441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699920 + ... + 4700753.

It is an arithmetic number, because the mean of its divisors is an integer number (658047180).

Almost surely, 23920080641 is an apocalyptic number.

It is an amenable number.

3920080641 is a deficient number, since it is larger than the sum of its proper divisors (1344296799).

3920080641 is a wasteful number, since it uses less digits than its factorization.

3920080641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9400815.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3920080641 is about 62610.5473622456. The cubic root of 3920080641 is about 1576.7578446606.

The spelling of 3920080641 in words is "three billion, nine hundred twenty million, eighty thousand, six hundred forty-one".

Divisors: 1 3 139 417 9400673 28202019 1306693547 3920080641