Search a number
-
+
12845832282 = 23453228229
BaseRepresentation
bin10111111011010101…
…11101100001011010
31020011020200220010000
423331222331201122
5202302013113112
65522402433430
7633221526033
oct137552754132
936136626100
1012845832282
1154a2156a18
1225a6062876
131299473aba
1489c0b7a8a
15502b4c7dc
hex2fdabd85a

12845832282 has 60 divisors (see below), whose sum is σ = 29338563870. Its totient is φ = 4201003872.

The previous prime is 12845832271. The next prime is 12845832299. The reversal of 12845832282 is 28223854821.

It can be written as a sum of positive squares in 3 ways, for example, as 10053872361 + 2791959921 = 100269^2 + 52839^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 440944 + ... + 469172.

Almost surely, 212845832282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12845832282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14669281935).

12845832282 is an abundant number, since it is smaller than the sum of its proper divisors (16492731588).

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

12845832282 is an equidigital number, since it uses as much as digits as its factorization.

12845832282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28349 (or 28287 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The spelling of 12845832282 in words is "twelve billion, eight hundred forty-five million, eight hundred thirty-two thousand, two hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 53 54 81 106 159 162 318 477 954 1431 2809 2862 4293 5618 8427 8586 16854 25281 28229 50562 56458 75843 84687 151686 169374 227529 254061 455058 508122 762183 1496137 1524366 2286549 2992274 4488411 4573098 8976822 13465233 26930466 40395699 79295261 80791398 121187097 158590522 237885783 242374194 475771566 713657349 1427314698 2140972047 4281944094 6422916141 12845832282