Search a number
-
+
12560029790 = 25711411313037
BaseRepresentation
bin10111011001010001…
…01101100001011110
31012102022220121210112
423230220231201132
5201210331423130
65434153010022
7623151330440
oct135450554136
935368817715
1012560029790
11536589a310
1225263b3912
1312521a72b9
1487215c490
154d79e5495
hex2eca2d85e

12560029790 has 128 divisors (see below), whose sum is σ = 29104137216. Its totient is φ = 3788928000.

The previous prime is 12560029763. The next prime is 12560029793. The reversal of 12560029790 is 9792006521.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12560029793) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4134152 + ... + 4137188.

It is an arithmetic number, because the mean of its divisors is an integer number (227376072).

Almost surely, 212560029790 is an apocalyptic number.

12560029790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12560029790 is an abundant number, since it is smaller than the sum of its proper divisors (16544107426).

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

12560029790 is a wasteful number, since it uses less digits than its factorization.

12560029790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 12560029790 in words is "twelve billion, five hundred sixty million, twenty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 41 55 70 77 82 110 131 154 205 262 287 385 410 451 574 655 770 902 917 1310 1435 1441 1834 2255 2870 2882 3037 3157 4510 4585 5371 6074 6314 7205 9170 10087 10742 14410 15185 15785 20174 21259 26855 30370 31570 33407 37597 42518 50435 53710 59081 66814 75194 100870 106295 118162 124517 167035 187985 212590 233849 249034 295405 334070 375970 397847 413567 467698 590810 622585 795694 827134 871619 1169245 1245170 1369687 1743238 1989235 2067835 2338490 2739374 2784929 3978470 4135670 4358095 4376317 5569858 6848435 8716190 8752634 9587809 13696870 13924645 16311727 19175618 21881585 27849290 30634219 32623454 43763170 47939045 61268438 81558635 95878090 114182089 153171095 163117270 179428997 228364178 306342190 358857994 570910445 897144985 1141820890 1256002979 1794289970 2512005958 6280014895 12560029790