Search a number
-
+
123222300101 = 284341433361
BaseRepresentation
bin111001011000010011…
…1110001010111000101
3102210001120111102020122
41302300213301113011
54004324402100401
6132335121311325
711621364161225
oct1626047612705
9383046442218
10123222300101
114829285995a
121ba6aa95545
13b809963214
145d6d298085
153312d0b21b
hex1cb09f15c5

123222300101 has 4 divisors (see below), whose sum is σ = 123223017804. Its totient is φ = 123221582400.

The previous prime is 123222300083. The next prime is 123222300143. The reversal of 123222300101 is 101003222321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 87158391076 + 36063909025 = 295226^2 + 189905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123222300101 is a prime.

It is a super-2 number, since 2×1232223001012 (a number of 23 digits) contains 22 as substring.

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 123222300101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123222300191) 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, 67661 + ... + 501021.

It is an arithmetic number, because the mean of its divisors is an integer number (30805754451).

Almost surely, 2123222300101 is an apocalyptic number.

It is an amenable number.

123222300101 is a deficient number, since it is larger than the sum of its proper divisors (717703).

123222300101 is an equidigital number, since it uses as much as digits as its factorization.

123222300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717702.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 123222300101 its reverse (101003222321), we get a palindrome (224225522422).

The spelling of 123222300101 in words is "one hundred twenty-three billion, two hundred twenty-two million, three hundred thousand, one hundred one".

Divisors: 1 284341 433361 123222300101