Search a number
-
+
12072757573 = 15437824211
BaseRepresentation
bin10110011111001011…
…11010100101000101
31011011101000121222101
423033211322211011
5144211111220243
65313545032101
7605113513642
oct131745724505
934141017871
1012072757573
1151358364a8
12240b185631
1311a525a546
1482755adc9
154a9d4354d
hex2cf97a945

12072757573 has 4 divisors (see below), whose sum is σ = 12080583328. Its totient is φ = 12064931820.

The previous prime is 12072757561. The next prime is 12072757577. The reversal of 12072757573 is 37575727021.

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.

It is a cyclic number.

It is not a de Polignac number, because 12072757573 - 221 = 12070660421 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 (12072757577) 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, 3910563 + ... + 3913648.

It is an arithmetic number, because the mean of its divisors is an integer number (3020145832).

Almost surely, 212072757573 is an apocalyptic number.

It is an amenable number.

12072757573 is a deficient number, since it is larger than the sum of its proper divisors (7825755).

12072757573 is an equidigital number, since it uses as much as digits as its factorization.

12072757573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825754.

The product of its (nonzero) digits is 720300, while the sum is 46.

The spelling of 12072757573 in words is "twelve billion, seventy-two million, seven hundred fifty-seven thousand, five hundred seventy-three".

Divisors: 1 1543 7824211 12072757573