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12424230053 = 87471420399
BaseRepresentation
bin10111001001000101…
…01011010010100101
31012001212101021120122
423210202223102211
5200421100330203
65412502211325
7616612133024
oct134442532245
935055337518
1012424230053
1152a6176a24
1224a8a23b45
13123000aa21
1485c0cc8bb
154cab1d538
hex2e48ab4a5

12424230053 has 4 divisors (see below), whose sum is σ = 12425659200. Its totient is φ = 12422800908.

The previous prime is 12424230001. The next prime is 12424230061. The reversal of 12424230053 is 35003242421.

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: 35003242421 = 75000463203.

It is a cyclic number.

It is not a de Polignac number, because 12424230053 - 26 = 12424229989 is a prime.

It is a super-2 number, since 2×124242300532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424230073) 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, 701453 + ... + 718946.

It is an arithmetic number, because the mean of its divisors is an integer number (3106414800).

Almost surely, 212424230053 is an apocalyptic number.

It is an amenable number.

12424230053 is a deficient number, since it is larger than the sum of its proper divisors (1429147).

12424230053 is an equidigital number, since it uses as much as digits as its factorization.

12424230053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429146.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 12424230053 its reverse (35003242421), we get a palindrome (47427472474).

The spelling of 12424230053 in words is "twelve billion, four hundred twenty-four million, two hundred thirty thousand, fifty-three".

Divisors: 1 8747 1420399 12424230053