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123323244416 = 272341889689
BaseRepresentation
bin111001011011010100…
…0110101111110000000
3102210022121102220210222
41302312220311332000
54010031222310131
6132353125042212
711624031165431
oct1626650657600
9383277386728
10123323244416
1148334835909
121ba98856368
13b824847798
145d7c853488
15331baea87b
hex1cb6a35f80

123323244416 has 32 divisors (see below), whose sum is σ = 256364902800. Its totient is φ = 58980680704.

The previous prime is 123323244409. The next prime is 123323244419. The reversal of 123323244416 is 614442323321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1233232444162 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123323244419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 20941901 + ... + 20947788.

Almost surely, 2123323244416 is an apocalyptic number.

123323244416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123323244416 is an abundant number, since it is smaller than the sum of its proper divisors (133041658384).

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

123323244416 is an equidigital number, since it uses as much as digits as its factorization.

123323244416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41889726 (or 41889714 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

Adding to 123323244416 its reverse (614442323321), we get a palindrome (737765567737).

The spelling of 123323244416 in words is "one hundred twenty-three billion, three hundred twenty-three million, two hundred forty-four thousand, four hundred sixteen".

Divisors: 1 2 4 8 16 23 32 46 64 92 128 184 368 736 1472 2944 41889689 83779378 167558756 335117512 670235024 963462847 1340470048 1926925694 2680940096 3853851388 5361880192 7707702776 15415405552 30830811104 61661622208 123323244416