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3925895064 = 23371319372557
BaseRepresentation
bin1110101000000000…
…0110011110011000
3101010121021010120220
43222000012132120
531020012120224
61445321320040
7166200362130
oct35200063630
911117233526
103925895064
11173507a083
12916936020
134a7476640
14293583ac0
1517e9d8279
hexea006798

3925895064 has 256 divisors, whose sum is σ = 13064217600. Its totient is φ = 954021888.

The previous prime is 3925895063. The next prime is 3925895081. The reversal of 3925895064 is 4605985293.

It is a junction number, because it is equal to n+sod(n) for n = 3925894998 and 3925895016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925895063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1534074 + ... + 1536630.

It is an arithmetic number, because the mean of its divisors is an integer number (51032100).

Almost surely, 23925895064 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 3925895064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6532108800).

3925895064 is an abundant number, since it is smaller than the sum of its proper divisors (9138322536).

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

3925895064 is a wasteful number, since it uses less digits than its factorization.

3925895064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The square root of 3925895064 is about 62656.9634118986. The cubic root of 3925895064 is about 1577.5370299968.

The spelling of 3925895064 in words is "three billion, nine hundred twenty-five million, eight hundred ninety-five thousand, sixty-four".