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124420330342313 = 731704388086881
BaseRepresentation
bin11100010010100011011101…
…100101111100011110101001
3121022112110121202011111120122
4130102203131211330132221
5112302000314031423223
61120341524412533025
735131033526150315
oct3422433545743651
9538473552144518
10124420330342313
113670a402935275
1211b555b0a81175
135456a2c800b95
1422a1d94688b45
15e5b6d1c795c8
hex7128dd97c7a9

124420330342313 has 4 divisors (see below), whose sum is σ = 126124718429268. Its totient is φ = 122715942255360.

The previous prime is 124420330342279. The next prime is 124420330342333. The reversal of 124420330342313 is 313243033024421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54763729663504 + 69656600678809 = 7400252^2 + 8346053^2 .

It is a cyclic number.

It is not a de Polignac number, because 124420330342313 - 230 = 124419256600489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124420330342333) 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, 852194043368 + ... + 852194043513.

It is an arithmetic number, because the mean of its divisors is an integer number (31531179607317).

Almost surely, 2124420330342313 is an apocalyptic number.

It is an amenable number.

124420330342313 is a deficient number, since it is larger than the sum of its proper divisors (1704388086955).

124420330342313 is an equidigital number, since it uses as much as digits as its factorization.

124420330342313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704388086954.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 124420330342313 its reverse (313243033024421), we get a palindrome (437663363366734).

The spelling of 124420330342313 in words is "one hundred twenty-four trillion, four hundred twenty billion, three hundred thirty million, three hundred forty-two thousand, three hundred thirteen".

Divisors: 1 73 1704388086881 124420330342313