Search a number
-
+
201123230100001 = 11101181029009991
BaseRepresentation
bin101101101110101110100110…
…101011111010101000100001
3222101010012012201020011202021
4231232232212223322220201
5202330200333401200001
61551430423020421441
760235450063532236
oct5556564653725041
9871105181204667
10201123230100001
11590a19791352a0
121a6830429a7881
13882baba9bbc51
1437945b839578d
15183ba24152ba1
hexb6eba6afaa21

201123230100001 has 8 divisors (see below), whose sum is σ = 221579508230208. Its totient is φ = 181029009990000.

The previous prime is 201123230099993. The next prime is 201123230100017. The reversal of 201123230100001 is 100001032321102.

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 201123230100001 - 23 = 201123230099993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201123233100001) 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, 90514503885 + ... + 90514506106.

It is an arithmetic number, because the mean of its divisors is an integer number (27697438528776).

Almost surely, 2201123230100001 is an apocalyptic number.

It is an amenable number.

201123230100001 is a deficient number, since it is larger than the sum of its proper divisors (20456278130207).

201123230100001 is a wasteful number, since it uses less digits than its factorization.

201123230100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181029010103.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 201123230100001 its reverse (100001032321102), we get a palindrome (301124262421103).

The spelling of 201123230100001 in words is "two hundred one trillion, one hundred twenty-three billion, two hundred thirty million, one hundred thousand, one".

Divisors: 1 11 101 1111 181029009991 1991319109901 18283930009091 201123230100001