Search a number
-
+
123417478441 = 1741177069553
BaseRepresentation
bin111001011110001000…
…0010100010100101001
3102210120011202111121001
41302330100110110221
54010224333302231
6132410332515001
711626254154255
oct1627420242451
9383504674531
10123417478441
1148382a49274
121bb0431ba61
13b83b21c96a
145d8b183265
153325011b61
hex1cbc414529

123417478441 has 8 divisors (see below), whose sum is σ = 133864582824. Its totient is φ = 113324513280.

The previous prime is 123417478433. The next prime is 123417478447. The reversal of 123417478441 is 144874714321.

It can be written as a sum of positive squares in 4 ways, for example, as 1491504400 + 121925974041 = 38620^2 + 349179^2 .

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

It is not a de Polignac number, because 123417478441 - 23 = 123417478433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123417478391 and 123417478400.

It is not an unprimeable number, because it can be changed into a prime (123417478447) 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, 88534080 + ... + 88535473.

It is an arithmetic number, because the mean of its divisors is an integer number (16733072853).

Almost surely, 2123417478441 is an apocalyptic number.

It is an amenable number.

123417478441 is a deficient number, since it is larger than the sum of its proper divisors (10447104383).

123417478441 is a wasteful number, since it uses less digits than its factorization.

123417478441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177069611.

The product of its digits is 602112, while the sum is 46.

The spelling of 123417478441 in words is "one hundred twenty-three billion, four hundred seventeen million, four hundred seventy-eight thousand, four hundred forty-one".

Divisors: 1 17 41 697 177069553 3010182401 7259851673 123417478441