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66064070048 = 252064502189
BaseRepresentation
bin111101100001101110…
…011011010110100000
320022112010012111000012
4331201232123112200
52040244400220143
650203250144052
74526062221134
oct754156332640
9208463174005
1066064070048
11260214996a9
1210978882028
1362cab99612
1432a9dbd3c4
151ab9ce4418
hexf61b9b5a0

66064070048 has 12 divisors (see below), whose sum is σ = 130063637970. Its totient is φ = 33032035008.

The previous prime is 66064070047. The next prime is 66064070069. The reversal of 66064070048 is 84007046066.

It can be written as a sum of positive squares in only one way, i.e., 62926725904 + 3137344144 = 250852^2 + 56012^2 .

It is a super-2 number, since 2×660640700482 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66064069987 and 66064070014.

It is not an unprimeable number, because it can be changed into a prime (66064070041) 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 as a sum of consecutive naturals, namely, 1032251063 + ... + 1032251126.

Almost surely, 266064070048 is an apocalyptic number.

It is an amenable number.

66064070048 is a deficient number, since it is larger than the sum of its proper divisors (63999567922).

66064070048 is a wasteful number, since it uses less digits than its factorization.

66064070048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064502199 (or 2064502191 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 66064070048 in words is "sixty-six billion, sixty-four million, seventy thousand, forty-eight".

Divisors: 1 2 4 8 16 32 2064502189 4129004378 8258008756 16516017512 33032035024 66064070048