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2512009136 = 247137921839
BaseRepresentation
bin1001010110111010…
…0011011110110000
320111001210021201102
42111232203132300
520121033243021
61053133023532
7116151503540
oct22556433660
96431707642
102512009136
111079a6670a
125a1324ba8
13310575650
1419b899320
15ea7ee00b
hex95ba37b0

2512009136 has 80 divisors (see below), whose sum is σ = 6066278400. Its totient is φ = 981137664.

The previous prime is 2512009127. The next prime is 2512009139. The reversal of 2512009136 is 6319002152.

It is a junction number, because it is equal to n+sod(n) for n = 2512009099 and 2512009108.

It is not an unprimeable number, because it can be changed into a prime (2512009139) 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 15 ways as a sum of consecutive naturals, for example, 104105 + ... + 125943.

It is an arithmetic number, because the mean of its divisors is an integer number (75828480).

Almost surely, 22512009136 is an apocalyptic number.

2512009136 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2512009136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3033139200).

2512009136 is an abundant number, since it is smaller than the sum of its proper divisors (3554269264).

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

2512009136 is a wasteful number, since it uses less digits than its factorization.

2512009136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21946 (or 21940 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2512009136 is about 50119.9474860060. The cubic root of 2512009136 is about 1359.3785251618.

The spelling of 2512009136 in words is "two billion, five hundred twelve million, nine thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 79 91 104 112 158 182 208 316 364 553 632 728 1027 1106 1264 1456 2054 2212 4108 4424 7189 8216 8848 14378 16432 21839 28756 43678 57512 87356 115024 152873 174712 283907 305746 349424 567814 611492 1135628 1222984 1725281 1987349 2271256 2445968 3450562 3974698 4542512 6901124 7949396 12076967 13802248 15898792 22428653 24153934 27604496 31797584 44857306 48307868 89714612 96615736 157000571 179429224 193231472 314001142 358858448 628002284 1256004568 2512009136