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64150005191 is a prime number
BaseRepresentation
bin111011101111101000…
…110110010111000111
320010120201112220122012
4323233220312113013
52022334400131231
645245313124435
74430461022126
oct735750662707
9203521486565
1064150005191
112522a007418
121052385971b
13608447cc6c
143167ad3abd
151a06c58e2b
hexeefa365c7

64150005191 has 2 divisors, whose sum is σ = 64150005192. Its totient is φ = 64150005190.

The previous prime is 64150005133. The next prime is 64150005247. The reversal of 64150005191 is 19150005146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-64150005191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64150005131) 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, 32075002595 + 32075002596.

It is an arithmetic number, because the mean of its divisors is an integer number (32075002596).

Almost surely, 264150005191 is an apocalyptic number.

64150005191 is a deficient number, since it is larger than the sum of its proper divisors (1).

64150005191 is an equidigital number, since it uses as much as digits as its factorization.

64150005191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 64150005191 in words is "sixty-four billion, one hundred fifty million, five thousand, one hundred ninety-one".