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191012795033 is a prime number
BaseRepresentation
bin1011000111100100111…
…1111111001010011001
3200021001000021100222012
42301321033333022121
511112143233420113
6223430003035305
716541321653154
oct2617117771231
9607030240865
10191012795033
117400a81a085
123102996bb35
13150213cba08
14936067ac9b
154e7e473aa8
hex2c793ff299

191012795033 has 2 divisors, whose sum is σ = 191012795034. Its totient is φ = 191012795032.

The previous prime is 191012795011. The next prime is 191012795041. The reversal of 191012795033 is 330597210191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123002414089 + 68010380944 = 350717^2 + 260788^2 .

It is a cyclic number.

It is not a de Polignac number, because 191012795033 - 26 = 191012794969 is a prime.

It is not a weakly prime, because it can be changed into another prime (191012795003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95506397516 + 95506397517.

It is an arithmetic number, because the mean of its divisors is an integer number (95506397517).

Almost surely, 2191012795033 is an apocalyptic number.

It is an amenable number.

191012795033 is a deficient number, since it is larger than the sum of its proper divisors (1).

191012795033 is an equidigital number, since it uses as much as digits as its factorization.

191012795033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51030, while the sum is 41.

The spelling of 191012795033 in words is "one hundred ninety-one billion, twelve million, seven hundred ninety-five thousand, thirty-three".