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66152050641 = 3222332960663
BaseRepresentation
bin111101100110111110…
…000010111111010001
320022202020202100200200
4331212332002333101
52040434411110031
650220112005413
74531211103255
oct754676027721
9208666670620
1066152050641
1126067120836
12109a2230869
136313192341
1432b7962265
151ac28c28e6
hexf66f82fd1

66152050641 has 12 divisors (see below), whose sum is σ = 95981453568. Its totient is φ = 43903601784.

The previous prime is 66152050639. The next prime is 66152050673. The reversal of 66152050641 is 14605025166.

66152050641 is a `hidden beast` number, since 6 + 6 + 1 + 5 + 2 + 0 + 5 + 0 + 641 = 666.

It is not a de Polignac number, because 66152050641 - 21 = 66152050639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66152050596 and 66152050605.

It is not an unprimeable number, because it can be changed into a prime (66152050621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16478325 + ... + 16482338.

It is an arithmetic number, because the mean of its divisors is an integer number (7998454464).

Almost surely, 266152050641 is an apocalyptic number.

It is an amenable number.

66152050641 is a deficient number, since it is larger than the sum of its proper divisors (29829402927).

66152050641 is a wasteful number, since it uses less digits than its factorization.

66152050641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32960892 (or 32960889 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 66152050641 in words is "sixty-six billion, one hundred fifty-two million, fifty thousand, six hundred forty-one".

Divisors: 1 3 9 223 669 2007 32960663 98881989 296645967 7350227849 22050683547 66152050641