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151568422493 is a prime number
BaseRepresentation
bin1000110100101000101…
…1101001011001011101
3112111020001201122001112
42031022023221121131
54440403004004433
6153343553151405
713644002222405
oct2151213513135
9474201648045
10151568422493
1159309472194
122545bb5b565
13113a64aa1c7
14749bbc5805
153e21642348
hex234a2e965d

151568422493 has 2 divisors, whose sum is σ = 151568422494. Its totient is φ = 151568422492.

The previous prime is 151568422459. The next prime is 151568422501. The reversal of 151568422493 is 394224865151.

151568422493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130677189049 + 20891233444 = 361493^2 + 144538^2 .

It is a cyclic number.

It is not a de Polignac number, because 151568422493 - 218 = 151568160349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151568422403) 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, 75784211246 + 75784211247.

It is an arithmetic number, because the mean of its divisors is an integer number (75784211247).

Almost surely, 2151568422493 is an apocalyptic number.

It is an amenable number.

151568422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

151568422493 is an equidigital number, since it uses as much as digits as its factorization.

151568422493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 50.

The spelling of 151568422493 in words is "one hundred fifty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred ninety-three".