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12242235041 = 171811397643
BaseRepresentation
bin10110110011011000…
…11010111010100001
31011121011220222100122
423121230122322201
5200033003010131
65342441330025
7612242165231
oct133154327241
934534828318
1012242235041
115212471423
122457a96915
1312013b8a7a
14841c75cc1
154b9b6dd7b
hex2d9b1aea1

12242235041 has 8 divisors (see below), whose sum is σ = 12969556704. Its totient is φ = 11515712320.

The previous prime is 12242235013. The next prime is 12242235043. The reversal of 12242235041 is 14053224221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12242235041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12242235041.

It is not an unprimeable number, because it can be changed into a prime (12242235043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168035 + ... + 229608.

It is an arithmetic number, because the mean of its divisors is an integer number (1621194588).

Almost surely, 212242235041 is an apocalyptic number.

It is an amenable number.

12242235041 is a deficient number, since it is larger than the sum of its proper divisors (727321663).

12242235041 is a wasteful number, since it uses less digits than its factorization.

12242235041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399471.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12242235041 its reverse (14053224221), we get a palindrome (26295459262).

The spelling of 12242235041 in words is "twelve billion, two hundred forty-two million, two hundred thirty-five thousand, forty-one".

Divisors: 1 17 1811 30787 397643 6759931 720131473 12242235041