Search a number
-
+
4087865964 = 22372132311327
BaseRepresentation
bin1111001110100111…
…1110001001101100
3101112220001002220010
43303221332021230
531332443202324
61513345053220
7203205200400
oct36351761154
911486032803
104087865964
111808548226
12961027210
13501ba7200
142aaca7100
1518dd2e829
hexf3a7e26c

4087865964 has 216 divisors, whose sum is σ = 12411721728. Its totient is φ = 1042554240.

The previous prime is 4087865963. The next prime is 4087865989. The reversal of 4087865964 is 4695687804.

It is not an unprimeable number, because it can be changed into a prime (4087865963) 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 71 ways as a sum of consecutive naturals, for example, 3079869 + ... + 3081195.

Almost surely, 24087865964 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 4087865964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6205860864).

4087865964 is an abundant number, since it is smaller than the sum of its proper divisors (8323855764).

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

4087865964 is a wasteful number, since it uses less digits than its factorization.

4087865964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 57.

The square root of 4087865964 is about 63936.4212636272. The cubic root of 4087865964 is about 1598.9401788712.

The spelling of 4087865964 in words is "four billion, eighty-seven million, eight hundred sixty-five thousand, nine hundred sixty-four".