Search a number
-
+
3964714989 = 31321571663
BaseRepresentation
bin1110110001010000…
…1011111111101101
3101020022022101111220
43230110023333231
531104431334424
61453225333553
7200151343554
oct35424137755
911208271456
103964714989
111754a84064
129279372b9
134b2519001
142987aad9b
15183105579
hexec50bfed

3964714989 has 4 divisors (see below), whose sum is σ = 5286286656. Its totient is φ = 2643143324.

The previous prime is 3964714849. The next prime is 3964714997. The reversal of 3964714989 is 9894174693.

3964714989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3964714989 - 216 = 3964649453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964714489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660785829 + ... + 660785834.

It is an arithmetic number, because the mean of its divisors is an integer number (1321571664).

Almost surely, 23964714989 is an apocalyptic number.

It is an amenable number.

3964714989 is a deficient number, since it is larger than the sum of its proper divisors (1321571667).

3964714989 is a wasteful number, since it uses less digits than its factorization.

3964714989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321571666.

The product of its digits is 11757312, while the sum is 60.

The square root of 3964714989 is about 62965.9827922983. The cubic root of 3964714989 is about 1582.7196375865.

The spelling of 3964714989 in words is "three billion, nine hundred sixty-four million, seven hundred fourteen thousand, nine hundred eighty-nine".

Divisors: 1 3 1321571663 3964714989