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133166083 = 177833299
BaseRepresentation
bin1111110111111…
…11010000000011
3100021120112112011
413323333100003
5233042303313
621114113351
73204615211
oct773772003
9307515464
10133166083
1169194716
123871b857
13217868cb
1413985cb1
15ba5693d
hex7eff403

133166083 has 4 divisors (see below), whose sum is σ = 140999400. Its totient is φ = 125332768.

The previous prime is 133166069. The next prime is 133166123. The reversal of 133166083 is 380661331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380661331 = 1722391843.

It is a cyclic number.

It is not a de Polignac number, because 133166083 - 213 = 133157891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133166023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3916633 + ... + 3916666.

It is an arithmetic number, because the mean of its divisors is an integer number (35249850).

Almost surely, 2133166083 is an apocalyptic number.

133166083 is a deficient number, since it is larger than the sum of its proper divisors (7833317).

133166083 is an equidigital number, since it uses as much as digits as its factorization.

133166083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7833316.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 133166083 is about 11539.7609593960. The cubic root of 133166083 is about 510.6592563712.

The spelling of 133166083 in words is "one hundred thirty-three million, one hundred sixty-six thousand, eighty-three".

Divisors: 1 17 7833299 133166083