Search a number
-
+
64425422882 = 21794792
BaseRepresentation
bin111100000000000011…
…011111000000100010
320011021220210120200102
4330000003133000202
52023420402013012
645332512222402
74440344026142
oct740003370042
9204256716612
1064425422882
1125360520847
121059bb3aa02
1360c9551a02
143192508922
151a2100e2c2
hexf000df022

64425422882 has 6 divisors (see below), whose sum is σ = 96638672763. Its totient is φ = 32212531962.

The previous prime is 64425422879. The next prime is 64425422891. The reversal of 64425422882 is 28822452446.

It can be written as a sum of positive squares in only one way, i.e., 32212711441 + 32212711441 = 179479^2 + 179479^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=179479.

It is a super-2 number, since 2×644254228822 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 269219 + ... + 448697.

Almost surely, 264425422882 is an apocalyptic number.

64425422882 is a deficient number, since it is larger than the sum of its proper divisors (32213249881).

64425422882 is an frugal number, since it uses more digits than its factorization.

64425422882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358960 (or 179481 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 47.

The spelling of 64425422882 in words is "sixty-four billion, four hundred twenty-five million, four hundred twenty-two thousand, eight hundred eighty-two".

Divisors: 1 2 179479 358958 32212711441 64425422882