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66340676260 = 22519174580727
BaseRepresentation
bin111101110010001101…
…100110001010100100
320100020101200112101201
4331302031212022210
52041331203120020
650250530532244
74535661305215
oct756215461244
9210211615351
1066340676260
1126153644a81
1210a35437084
136343296331
1432d4a2340c
151ad4231a0a
hexf723662a4

66340676260 has 24 divisors (see below), whose sum is σ = 146647811520. Its totient is φ = 25139624544.

The previous prime is 66340676201. The next prime is 66340676261. The reversal of 66340676260 is 6267604366.

66340676260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66340676260.

It is not an unprimeable number, because it can be changed into a prime (66340676261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87289984 + ... + 87290743.

It is an arithmetic number, because the mean of its divisors is an integer number (6110325480).

Almost surely, 266340676260 is an apocalyptic number.

It is an amenable number.

66340676260 is an abundant number, since it is smaller than the sum of its proper divisors (80307135260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66340676260 is a wasteful number, since it uses less digits than its factorization.

66340676260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174580755 (or 174580753 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 66340676260 in words is "sixty-six billion, three hundred forty million, six hundred seventy-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 174580727 349161454 698322908 872903635 1745807270 3317033813 3491614540 6634067626 13268135252 16585169065 33170338130 66340676260