Search a number
-
+
12200230001 = 24156988969
BaseRepresentation
bin10110101110011000…
…01011110001110001
31011111020212220021102
423113030023301301
5144441224330001
65334341134145
7611222146451
oct132714136161
934436786242
1012200230001
1151a0791413
1224459ba355
1311c579c70b
1483a45dd61
154b6122e6b
hex2d730bc71

12200230001 has 8 divisors (see below), whose sum is σ = 12272521800. Its totient is φ = 12128117760.

The previous prime is 12200229991. The next prime is 12200230019. The reversal of 12200230001 is 10003200221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2160390400 + 10039839601 = 46480^2 + 100199^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12200230001 - 214 = 12200213617 is a prime.

It is a super-2 number, since 2×122002300012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200235001) 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, 92645 + ... + 181613.

It is an arithmetic number, because the mean of its divisors is an integer number (1534065225).

Almost surely, 212200230001 is an apocalyptic number.

It is an amenable number.

12200230001 is a deficient number, since it is larger than the sum of its proper divisors (72291799).

12200230001 is an equidigital number, since it uses as much as digits as its factorization.

12200230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89779.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12200230001 its reverse (10003200221), we get a palindrome (22203430222).

The spelling of 12200230001 in words is "twelve billion, two hundred million, two hundred thirty thousand, one".

Divisors: 1 241 569 88969 137129 21441529 50623361 12200230001