Search a number
-
+
123102044233 = 722986630573
BaseRepresentation
bin111001010100101110…
…1000010000001001001
3102202202012012210012121
41302221131002001021
54004103110403413
6132315144011241
711615404053100
oct1625135020111
9382665183177
10123102044233
1148230992943
121ba36760b21
13b7baa799bc
145d5b313037
1533074a4b8d
hex1ca9742049

123102044233 has 12 divisors (see below), whose sum is σ = 148138281540. Its totient is φ = 101877552672.

The previous prime is 123102044231. The next prime is 123102044251. The reversal of 123102044233 is 332440201321.

It can be written as a sum of positive squares in 2 ways, for example, as 56524111504 + 66577932729 = 237748^2 + 258027^2 .

It is not a de Polignac number, because 123102044233 - 21 = 123102044231 is a prime.

It is a super-2 number, since 2×1231020442332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123102044198 and 123102044207.

It is not an unprimeable number, because it can be changed into a prime (123102044231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43313866 + ... + 43316707.

It is an arithmetic number, because the mean of its divisors is an integer number (12344856795).

Almost surely, 2123102044233 is an apocalyptic number.

It is an amenable number.

123102044233 is a deficient number, since it is larger than the sum of its proper divisors (25036237307).

123102044233 is an equidigital number, since it uses as much as digits as its factorization.

123102044233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86630616 (or 86630609 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123102044233 its reverse (332440201321), we get a palindrome (455542245554).

The spelling of 123102044233 in words is "one hundred twenty-three billion, one hundred two million, forty-four thousand, two hundred thirty-three".

Divisors: 1 7 29 49 203 1421 86630573 606414011 2512286617 4244898077 17586006319 123102044233