Search a number
-
+
123112412330 = 2547041261713
BaseRepresentation
bin111001010101000010…
…0100101010010101010
3102202202220201112120012
41302222010211102222
54004113234143310
6132320154131522
711615561144555
oct1625204452252
9382686645505
10123112412330
1148236824616
121ba3a120ba2
13b7bcc69c7b
145d5c85169c
153308351c05
hex1caa1254aa

123112412330 has 16 divisors (see below), whose sum is σ = 221607899784. Its totient is φ = 49243729920.

The previous prime is 123112412327. The next prime is 123112412341. The reversal of 123112412330 is 33214211321.

It can be written as a sum of positive squares in 4 ways, for example, as 62964359329 + 60148053001 = 250927^2 + 245251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123112412296 and 123112412305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339554 + ... + 601266.

Almost surely, 2123112412330 is an apocalyptic number.

123112412330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123112412330 is a deficient number, since it is larger than the sum of its proper divisors (98495487454).

123112412330 is a wasteful number, since it uses less digits than its factorization.

123112412330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308761.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 123112412330 its reverse (33214211321), we get a palindrome (156326623651).

The spelling of 123112412330 in words is "one hundred twenty-three billion, one hundred twelve million, four hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 47041 94082 235205 261713 470410 523426 1308565 2617130 12311241233 24622482466 61556206165 123112412330