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66152099 = 1328317981
BaseRepresentation
bin1111110001011…
…0011010100011
311121110212121202
43330112122203
5113413331344
610321511415
71432166156
oct374263243
9147425552
1066152099
1134383062
121a1a256b
1310922270
148addc9d
155c1a94e
hex3f166a3

66152099 has 8 divisors (see below), whose sum is σ = 71496432. Its totient is φ = 60844320.

The previous prime is 66152081. The next prime is 66152111. The reversal of 66152099 is 99025166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66152099 - 28 = 66151843 is a prime.

It is a super-2 number, since 2×661520992 = 8752200404211602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66152029) 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, 5312 + ... + 12669.

It is an arithmetic number, because the mean of its divisors is an integer number (8937054).

Almost surely, 266152099 is an apocalyptic number.

66152099 is a deficient number, since it is larger than the sum of its proper divisors (5344333).

66152099 is a wasteful number, since it uses less digits than its factorization.

66152099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18277.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 66152099 is about 8133.3940639809. The cubic root of 66152099 is about 404.4342025649.

The spelling of 66152099 in words is "sixty-six million, one hundred fifty-two thousand, ninety-nine".

Divisors: 1 13 283 3679 17981 233753 5088623 66152099