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125056693 is a prime number
BaseRepresentation
bin1110111010000…
…11011010110101
322201022112112101
413131003122311
5224003303233
620224222101
73045651526
oct735033265
9281275471
10125056693
1164655a43
1235a6a931
131cba7758
141287484d
15aea3c7d
hex77436b5

125056693 has 2 divisors, whose sum is σ = 125056694. Its totient is φ = 125056692.

The previous prime is 125056691. The next prime is 125056699. The reversal of 125056693 is 396650521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72029169 + 53027524 = 8487^2 + 7282^2 .

It is an emirp because it is prime and its reverse (396650521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125056693 - 21 = 125056691 is a prime.

Together with 125056691, 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 (125056691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62528346 + 62528347.

It is an arithmetic number, because the mean of its divisors is an integer number (62528347).

Almost surely, 2125056693 is an apocalyptic number.

It is an amenable number.

125056693 is a deficient number, since it is larger than the sum of its proper divisors (1).

125056693 is an equidigital number, since it uses as much as digits as its factorization.

125056693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 125056693 is about 11182.8749881236. The cubic root of 125056693 is about 500.0755792416.

The spelling of 125056693 in words is "one hundred twenty-five million, fifty-six thousand, six hundred ninety-three".