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66670740006 = 23131914475147
BaseRepresentation
bin111110000101111000…
…101100001000100110
320101002101202111201220
4332011320230020212
52043020202140011
650343401201210
74550106640203
oct760570541046
9211071674656
1066670740006
1126302992832
1210b07a90206
13639678c120
1433267c0caa
151b031cd506
hexf85e2c226

66670740006 has 32 divisors (see below), whose sum is σ = 144350373888. Its totient is φ = 20406665760.

The previous prime is 66670739977. The next prime is 66670740043. The reversal of 66670740006 is 60004707666.

It is a self number, because there is not a number n which added to its sum of digits gives 66670740006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2222676 + ... + 2252471.

It is an arithmetic number, because the mean of its divisors is an integer number (4510949184).

Almost surely, 266670740006 is an apocalyptic number.

66670740006 is an abundant number, since it is smaller than the sum of its proper divisors (77679633882).

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

66670740006 is a wasteful number, since it uses less digits than its factorization.

66670740006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475356.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 66670740006 in words is "sixty-six billion, six hundred seventy million, seven hundred forty thousand, six".

Divisors: 1 2 3 6 13 26 39 78 191 382 573 1146 2483 4966 7449 14898 4475147 8950294 13425441 26850882 58176911 116353822 174530733 349061466 854753077 1709506154 2564259231 5128518462 11111790001 22223580002 33335370003 66670740006