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133018087 is a prime number
BaseRepresentation
bin1111110110110…
…11000111100111
3100021022000111211
413323123013213
5233023034322
621111012251
73203430556
oct773330747
9307260454
10133018087
11690a3504
123866a087
1321734437
1413947d9d
15ba27b77
hex7edb1e7

133018087 has 2 divisors, whose sum is σ = 133018088. Its totient is φ = 133018086.

The previous prime is 133018057. The next prime is 133018091. The reversal of 133018087 is 780810331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133018087 is a prime.

It is a super-2 number, since 2×1330180872 = 35387622938279138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133018007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66509043 + 66509044.

It is an arithmetic number, because the mean of its divisors is an integer number (66509044).

Almost surely, 2133018087 is an apocalyptic number.

133018087 is a deficient number, since it is larger than the sum of its proper divisors (1).

133018087 is an equidigital number, since it uses as much as digits as its factorization.

133018087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 133018087 is about 11533.3467389132. The cubic root of 133018087 is about 510.4700101302.

The spelling of 133018087 in words is "one hundred thirty-three million, eighteen thousand, eighty-seven".