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124213413013 = 761163223933
BaseRepresentation
bin111001110101110110…
…0100100010010010101
3102212121122110011120021
41303223230210102111
54013342113204023
6133021324305141
711655060406234
oct1635354442225
9385548404507
10124213413013
1148751262738
12200a69a21b1
13b9370ab271
146024b70b1b
15336ed3435d
hex1cebb24495

124213413013 has 4 divisors (see below), whose sum is σ = 124376637708. Its totient is φ = 124050188320.

The previous prime is 124213412987. The next prime is 124213413043. The reversal of 124213413013 is 310314312421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310314312421 = 2313491926627.

It can be written as a sum of positive squares in 2 ways, for example, as 50372415844 + 73840997169 = 224438^2 + 271737^2 .

It is a cyclic number.

It is not a de Polignac number, because 124213413013 - 29 = 124213412501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124213413043) 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 3 ways as a sum of consecutive naturals, for example, 81611206 + ... + 81612727.

It is an arithmetic number, because the mean of its divisors is an integer number (31094159427).

Almost surely, 2124213413013 is an apocalyptic number.

It is an amenable number.

124213413013 is a deficient number, since it is larger than the sum of its proper divisors (163224695).

124213413013 is an equidigital number, since it uses as much as digits as its factorization.

124213413013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163224694.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 124213413013 its reverse (310314312421), we get a palindrome (434527725434).

The spelling of 124213413013 in words is "one hundred twenty-four billion, two hundred thirteen million, four hundred thirteen thousand, thirteen".

Divisors: 1 761 163223933 124213413013