Search a number
-
+
123044220112145 = 524608844022429
BaseRepresentation
bin11011111110100001110111…
…000010000000110100010001
3121010122220122020222202102212
4123332201313002000310101
5112111424030322042040
61113405422342521505
734626436323200063
oct3376416702006421
9533586566882385
10123044220112145
1136229840551712
1211972964436295
13538703540a2b7
14225552cbc3733
15e359e10d4d65
hex6fe877080d11

123044220112145 has 4 divisors (see below), whose sum is σ = 147653064134580. Its totient is φ = 98435376089712.

The previous prime is 123044220112139. The next prime is 123044220112153. The reversal of 123044220112145 is 541211022440321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12501874568401 + 110542345543744 = 3535799^2 + 10513912^2 .

It is a cyclic number.

It is not a de Polignac number, because 123044220112145 - 24 = 123044220112129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12304422011210 + ... + 12304422011219.

It is an arithmetic number, because the mean of its divisors is an integer number (36913266033645).

Almost surely, 2123044220112145 is an apocalyptic number.

It is an amenable number.

123044220112145 is a deficient number, since it is larger than the sum of its proper divisors (24608844022435).

123044220112145 is an equidigital number, since it uses as much as digits as its factorization.

123044220112145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24608844022434.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 123044220112145 its reverse (541211022440321), we get a palindrome (664255242552466).

The spelling of 123044220112145 in words is "one hundred twenty-three trillion, forty-four billion, two hundred twenty million, one hundred twelve thousand, one hundred forty-five".

Divisors: 1 5 24608844022429 123044220112145