Search a number
-
+
123310132244 = 22138292860493
BaseRepresentation
bin111001011010111011…
…0110100110000010100
3102210021200202202021222
41302311312310300110
54010014343212434
6132351540025512
711623511554505
oct1626566646024
9383250682258
10123310132244
114832839a502
121ba94392298
13b821c064c0
145d7abdcbac
15331a8aa72e
hex1cb5db4c14

123310132244 has 24 divisors (see below), whose sum is σ = 232672581960. Its totient is φ = 56843697024.

The previous prime is 123310132223. The next prime is 123310132261. The reversal of 123310132244 is 442231013321.

It can be written as a sum of positive squares in 4 ways, for example, as 818532100 + 122491600144 = 28610^2 + 349988^2 .

It is a super-3 number, since 3×1233101322443 (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1387139 + ... + 1473354.

It is an arithmetic number, because the mean of its divisors is an integer number (9694690915).

Almost surely, 2123310132244 is an apocalyptic number.

It is an amenable number.

123310132244 is a deficient number, since it is larger than the sum of its proper divisors (109362449716).

123310132244 is a wasteful number, since it uses less digits than its factorization.

123310132244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861339 (or 2861337 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 123310132244 its reverse (442231013321), we get a palindrome (565541145565).

The spelling of 123310132244 in words is "one hundred twenty-three billion, three hundred ten million, one hundred thirty-two thousand, two hundred forty-four".

Divisors: 1 2 4 13 26 52 829 1658 3316 10777 21554 43108 2860493 5720986 11441972 37186409 74372818 148745636 2371348697 4742697394 9485394788 30827533061 61655066122 123310132244