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42068147701 is a prime number
BaseRepresentation
bin100111001011011101…
…001111110111110101
311000120210122022210111
4213023131033313311
51142123421211301
631154214223021
73016326232636
oct471335176765
9130523568714
1042068147701
1116928411018
1281a0654a71
133c7569a2b8
14207112588d
15116335b551
hex9cb74fdf5

42068147701 has 2 divisors, whose sum is σ = 42068147702. Its totient is φ = 42068147700.

The previous prime is 42068147689. The next prime is 42068147717. The reversal of 42068147701 is 10774186024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41105535025 + 962612676 = 202745^2 + 31026^2 .

It is a cyclic number.

It is not a de Polignac number, because 42068147701 - 25 = 42068147669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42068147501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21034073850 + 21034073851.

It is an arithmetic number, because the mean of its divisors is an integer number (21034073851).

Almost surely, 242068147701 is an apocalyptic number.

It is an amenable number.

42068147701 is a deficient number, since it is larger than the sum of its proper divisors (1).

42068147701 is an equidigital number, since it uses as much as digits as its factorization.

42068147701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 42068147701 in words is "forty-two billion, sixty-eight million, one hundred forty-seven thousand, seven hundred one".