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191401413233 = 197996716227
BaseRepresentation
bin1011001001000001101…
…0011100101001110001
3200022001002112012220212
42302100122130221301
511113442230210413
6223532324313505
716554051111632
oct2622032345161
9608032465825
10191401413233
117419a120748
1231117b42895
1315083a86804
14939a11b889
154ea3639ca8
hex2c9069ca71

191401413233 has 4 divisors (see below), whose sum is σ = 191498131440. Its totient is φ = 191304695028.

The previous prime is 191401413227. The next prime is 191401413239. The reversal of 191401413233 is 332314104191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (191401413227) and next prime (191401413239).

It is a cyclic number.

It is not a de Polignac number, because 191401413233 - 212 = 191401409137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 191401413233.

It is not an unprimeable number, because it can be changed into a prime (191401413239) 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, 48356135 + ... + 48360092.

It is an arithmetic number, because the mean of its divisors is an integer number (47874532860).

Almost surely, 2191401413233 is an apocalyptic number.

It is an amenable number.

191401413233 is a deficient number, since it is larger than the sum of its proper divisors (96718207).

191401413233 is an equidigital number, since it uses as much as digits as its factorization.

191401413233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96718206.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 191401413233 in words is "one hundred ninety-one billion, four hundred one million, four hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 1979 96716227 191401413233