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121474693 is a prime number
BaseRepresentation
bin1110011110110…
…00111010000101
322110120112221201
413033120322011
5222044142233
620015342501
73003342424
oct717307205
9273515851
10121474693
116262980a
1234821a31
131c222222
14121c12bb
15a9e777d
hex73d8e85

121474693 has 2 divisors, whose sum is σ = 121474694. Its totient is φ = 121474692.

The previous prime is 121474679. The next prime is 121474739. The reversal of 121474693 is 396474121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102272769 + 19201924 = 10113^2 + 4382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121474693 is a prime.

It is a super-2 number, since 2×1214746932 = 29512202078888498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121474643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60737346 + 60737347.

It is an arithmetic number, because the mean of its divisors is an integer number (60737347).

Almost surely, 2121474693 is an apocalyptic number.

It is an amenable number.

121474693 is a deficient number, since it is larger than the sum of its proper divisors (1).

121474693 is an equidigital number, since it uses as much as digits as its factorization.

121474693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 121474693 is about 11021.5558339102. Note that the first 3 decimals coincide. The cubic root of 121474693 is about 495.2546973444.

The spelling of 121474693 in words is "one hundred twenty-one million, four hundred seventy-four thousand, six hundred ninety-three".