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124220120243 = 3116212471993
BaseRepresentation
bin111001110110000011…
…0001001110010110011
3102212122010001221011012
41303230012021302303
54013400322321433
6133022124141135
711655201412652
oct1635406116263
9385563057135
10124220120243
11487550239aa
12200a90977ab
13b9385b913b
1460259d9199
15337070b848
hex1cec189cb3

124220120243 has 8 divisors (see below), whose sum is σ = 128306376576. Its totient is φ = 120138811200.

The previous prime is 124220120237. The next prime is 124220120251. The reversal of 124220120243 is 342021022421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124220120243 - 218 = 124219858099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124220120443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185746 + ... + 1286247.

It is an arithmetic number, because the mean of its divisors is an integer number (16038297072).

Almost surely, 2124220120243 is an apocalyptic number.

124220120243 is a deficient number, since it is larger than the sum of its proper divisors (4086256333).

124220120243 is a wasteful number, since it uses less digits than its factorization.

124220120243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473645.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 124220120243 its reverse (342021022421), we get a palindrome (466241142664).

The spelling of 124220120243 in words is "one hundred twenty-four billion, two hundred twenty million, one hundred twenty thousand, two hundred forty-three".

Divisors: 1 31 1621 50251 2471993 76631783 4007100653 124220120243