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124200064427 = 939713216991
BaseRepresentation
bin111001110101011100…
…1101001010110101011
3102212120201022222202012
41303222321221112223
54013330204030202
6133020130230135
711654536062125
oct1635271512653
9385521288665
10124200064427
114874477574a
12200a242534b
13b9343b64aa
146023098215
15336da99152
hex1ceae695ab

124200064427 has 4 divisors (see below), whose sum is σ = 124213290816. Its totient is φ = 124186838040.

The previous prime is 124200064411. The next prime is 124200064451. The reversal of 124200064427 is 724460002421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124200064427 - 24 = 124200064411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124200064393 and 124200064402.

It is not an unprimeable number, because it can be changed into a prime (124200064627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6599099 + ... + 6617892.

It is an arithmetic number, because the mean of its divisors is an integer number (31053322704).

Almost surely, 2124200064427 is an apocalyptic number.

124200064427 is a deficient number, since it is larger than the sum of its proper divisors (13226389).

124200064427 is an equidigital number, since it uses as much as digits as its factorization.

124200064427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13226388.

The product of its (nonzero) digits is 21504, while the sum is 32.

Adding to 124200064427 its reverse (724460002421), we get a palindrome (848660066848).

The spelling of 124200064427 in words is "one hundred twenty-four billion, two hundred million, sixty-four thousand, four hundred twenty-seven".

Divisors: 1 9397 13216991 124200064427