Search a number
-
+
123320212032 = 2631901337871
BaseRepresentation
bin111001011011001110…
…1010001101001000000
3102210022101201212011110
41302312131101221000
54010024433241112
6132352540043320
711623663335603
oct1626635215100
9383271655143
10123320212032
1148333054606
121ba97833540
13b824025484
145d7c2a433a
15331b6ec13c
hex1cb6751a40

123320212032 has 56 divisors (see below), whose sum is σ = 326457332352. Its totient is φ = 41084992000.

The previous prime is 123320212019. The next prime is 123320212033. The reversal of 123320212032 is 230212023321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123320212033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196057 + ... + 533927.

Almost surely, 2123320212032 is an apocalyptic number.

123320212032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123320212032 is an abundant number, since it is smaller than the sum of its proper divisors (203137120320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123320212032 is a wasteful number, since it uses less digits than its factorization.

123320212032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339787 (or 339777 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123320212032 its reverse (230212023321), we get a palindrome (353532235353).

The spelling of 123320212032 in words is "one hundred twenty-three billion, three hundred twenty million, two hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 1901 3802 5703 7604 11406 15208 22812 30416 45624 60832 91248 121664 182496 337871 364992 675742 1013613 1351484 2027226 2702968 4054452 5405936 8108904 10811872 16217808 21623744 32435616 64871232 642292771 1284585542 1926878313 2569171084 3853756626 5138342168 7707513252 10276684336 15415026504 20553368672 30830053008 41106737344 61660106016 123320212032