Search a number
-
+
12068826523721 = 111097166047611
BaseRepresentation
bin1010111110011111111000…
…0111100010100001001001
31120201202202021022202211122
42233213332013202201021
53040213424042224341
641400201541205025
72353641525553352
oct257477607424111
946652667282748
1012068826523721
1139333a6a36870
12142b029700775
1369711599b676
142da1c480ad29
1515de104d494b
hexaf9fe1e2849

12068826523721 has 4 divisors (see below), whose sum is σ = 13165992571344. Its totient is φ = 10971660476100.

The previous prime is 12068826523697. The next prime is 12068826523751. The reversal of 12068826523721 is 12732562886021.

It is a happy number.

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 12068826523721 - 26 = 12068826523657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12068826523751) 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, 548583023795 + ... + 548583023816.

It is an arithmetic number, because the mean of its divisors is an integer number (3291498142836).

Almost surely, 212068826523721 is an apocalyptic number.

12068826523721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12068826523721 is a deficient number, since it is larger than the sum of its proper divisors (1097166047623).

12068826523721 is a wasteful number, since it uses less digits than its factorization.

12068826523721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097166047622.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 12068826523721 in words is "twelve trillion, sixty-eight billion, eight hundred twenty-six million, five hundred twenty-three thousand, seven hundred twenty-one".

Divisors: 1 11 1097166047611 12068826523721