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124011713 = 717715959
BaseRepresentation
bin1110110010001…
…00010011000001
322122100110002102
413121010103001
5223221333323
620150000145
73034040120
oct731042301
9278313072
10124011713
1164001921
1235646055
131c8ccc17
1412681ab7
15ad49328
hex76444c1

124011713 has 4 divisors (see below), whose sum is σ = 141727680. Its totient is φ = 106295748.

The previous prime is 124011677. The next prime is 124011733. The reversal of 124011713 is 317110421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317110421 = 331395717.

It is a cyclic number.

It is not a de Polignac number, because 124011713 - 224 = 107234497 is a prime.

It is a super-2 number, since 2×1240117132 = 30757809922388738, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (124011733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8857973 + ... + 8857986.

It is an arithmetic number, because the mean of its divisors is an integer number (35431920).

Almost surely, 2124011713 is an apocalyptic number.

It is an amenable number.

124011713 is a deficient number, since it is larger than the sum of its proper divisors (17715967).

124011713 is an equidigital number, since it uses as much as digits as its factorization.

124011713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17715966.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 124011713 is about 11136.0546424665. The cubic root of 124011713 is about 498.6787959146.

The spelling of 124011713 in words is "one hundred twenty-four million, eleven thousand, seven hundred thirteen".

Divisors: 1 7 17715959 124011713