Search a number
-
+
966063881 = 3131163351
BaseRepresentation
bin111001100101001…
…111011100001001
32111022211010111202
4321211033130021
53434303021011
6235510033545
732640256526
oct7145173411
92438733452
10966063881
11456355102
1222b6488b5
131251b7743
149243614d
1559c2b23b
hex3994f709

966063881 has 4 divisors (see below), whose sum is σ = 997227264. Its totient is φ = 934900500.

The previous prime is 966063877. The next prime is 966063887. The reversal of 966063881 is 188360669.

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 966063881 - 22 = 966063877 is a prime.

It is a super-2 number, since 2×9660638812 = 1866558844345564322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (966063887) 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, 15581645 + ... + 15581706.

It is an arithmetic number, because the mean of its divisors is an integer number (249306816).

Almost surely, 2966063881 is an apocalyptic number.

It is an amenable number.

966063881 is a deficient number, since it is larger than the sum of its proper divisors (31163383).

966063881 is a wasteful number, since it uses less digits than its factorization.

966063881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31163382.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 966063881 is about 31081.5681875931. The cubic root of 966063881 is about 988.5575295923.

The spelling of 966063881 in words is "nine hundred sixty-six million, sixty-three thousand, eight hundred eighty-one".

Divisors: 1 31 31163351 966063881