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123494412822 = 231121910938191
BaseRepresentation
bin111001100000011010…
…1110011001000010110
3102210202112112011201120
41303000311303020112
54010404032202242
6132422121504410
711631210121614
oct1630065631026
9383675464646
10123494412822
1148412416200
121bb26042106
13b851148871
145d9748c6b4
15332bb5c1ec
hex1cc0d73216

123494412822 has 96 divisors (see below), whose sum is σ = 286068572160. Its totient is φ = 35416180800.

The previous prime is 123494412793. The next prime is 123494412829. The reversal of 123494412822 is 228214494321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123494412829) 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 47 ways as a sum of consecutive naturals, for example, 15072747 + ... + 15080937.

It is an arithmetic number, because the mean of its divisors is an integer number (2979880960).

Almost surely, 2123494412822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123494412822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143034286080).

123494412822 is an abundant number, since it is smaller than the sum of its proper divisors (162574159338).

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

123494412822 is a wasteful number, since it uses less digits than its factorization.

123494412822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9319 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The spelling of 123494412822 in words is "one hundred twenty-three billion, four hundred ninety-four million, four hundred twelve thousand, eight hundred twenty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 121 209 242 363 418 627 726 1093 1254 2186 2299 3279 4598 6558 6897 8191 12023 13794 16382 20767 24046 24573 36069 41534 49146 62301 72138 90101 124602 132253 155629 180202 228437 264506 270303 311258 396759 456874 466887 540606 685311 793518 933774 991111 1370622 1711919 1982222 2512807 2973333 3423838 5025614 5135757 5946666 7538421 8952763 10271514 15076842 17905526 18831109 26858289 37662218 53716578 56493327 98480393 112986654 170102497 196960786 295441179 340204994 510307491 590882358 1020614982 1083284323 1871127467 2166568646 3249852969 3742254934 5613382401 6499705938 11226764802 20582402137 41164804274 61747206411 123494412822