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12750140260 = 22511213478623
BaseRepresentation
bin10111101111111011…
…11011001101100100
31012220120122020100001
423313331323031210
5202103013442020
65505103431044
7630650255404
oct136775731544
935816566301
1012750140260
115453138100
122579bb5484
1312826ab0c0
1488d4c8804
154e954950a
hex2f7f7b364

12750140260 has 144 divisors (see below), whose sum is σ = 32372702208. Its totient is φ = 4188222720.

The previous prime is 12750140243. The next prime is 12750140269. The reversal of 12750140260 is 6204105721.

It is not an unprimeable number, because it can be changed into a prime (12750140269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1474309 + ... + 1482931.

It is an arithmetic number, because the mean of its divisors is an integer number (224810432).

Almost surely, 212750140260 is an apocalyptic number.

12750140260 is a gapful number since it is divisible by the number (10) 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 12750140260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16186351104).

12750140260 is an abundant number, since it is smaller than the sum of its proper divisors (19622561948).

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

12750140260 is a wasteful number, since it uses less digits than its factorization.

12750140260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714 (or 8701 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 12750140260 its reverse (6204105721), we get a palindrome (18954245981).

It can be divided in two parts, 127501 and 40260, that added together give a palindrome (167761).

The spelling of 12750140260 in words is "twelve billion, seven hundred fifty million, one hundred forty thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 47 52 55 65 94 110 121 130 143 188 220 235 242 260 286 470 484 517 572 605 611 715 940 1034 1210 1222 1430 1573 2068 2420 2444 2585 2860 3055 3146 5170 5687 6110 6292 6721 7865 8623 10340 11374 12220 13442 15730 17246 22748 26884 28435 31460 33605 34492 43115 56870 67210 73931 86230 94853 112099 113740 134420 147862 172460 189706 224198 295724 369655 379412 405281 448396 474265 560495 739310 810562 948530 1043383 1120990 1233089 1478620 1621124 1897060 2026405 2086766 2241980 2466178 4052810 4173532 4458091 4932356 5216915 5268653 6165445 8105620 8916182 10433830 10537306 12330890 13563979 17832364 20867660 21074612 22290455 24661780 26343265 27127958 44580910 49039001 52686530 54255916 57955183 67819895 89161820 98078002 105373060 115910366 135639790 196156004 231820732 245195005 271279580 289775915 490390010 579551830 637507013 980780020 1159103660 1275014026 2550028052 3187535065 6375070130 12750140260