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122713693 is a prime number
BaseRepresentation
bin1110101000001…
…11011001011101
322112220111112121
413110013121131
5222403314233
620102102541
73020022604
oct724073135
9275814477
10122713693
11632a5683
123511aa51
131c56716b
1412424a3b
15ab8e92d
hex750765d

122713693 has 2 divisors, whose sum is σ = 122713694. Its totient is φ = 122713692.

The previous prime is 122713691. The next prime is 122713727. The reversal of 122713693 is 396317221.

It is an a-pointer prime, because the next prime (122713727) can be obtained adding 122713693 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88115769 + 34597924 = 9387^2 + 5882^2 .

It is a cyclic number.

It is not a de Polignac number, because 122713693 - 21 = 122713691 is a prime.

Together with 122713691, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122713691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61356846 + 61356847.

It is an arithmetic number, because the mean of its divisors is an integer number (61356847).

Almost surely, 2122713693 is an apocalyptic number.

It is an amenable number.

122713693 is a deficient number, since it is larger than the sum of its proper divisors (1).

122713693 is an equidigital number, since it uses as much as digits as its factorization.

122713693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 122713693 is about 11077.6212699297. The cubic root of 122713693 is about 496.9328138785.

The spelling of 122713693 in words is "one hundred twenty-two million, seven hundred thirteen thousand, six hundred ninety-three".