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12631145010 = 23511178327127
BaseRepresentation
bin10111100001101111…
…11111101000110010
31012121021201122112120
423300313333220302
5201332033120020
65445213135110
7625003650441
oct136067775062
935537648476
1012631145010
1153a1a52220
12254618a496
131263b46603
1487b790d58
154ddd91740
hex2f0dffa32

12631145010 has 128 divisors (see below), whose sum is σ = 35439151104. Its totient is φ = 2847144960.

The previous prime is 12631144979. The next prime is 12631145039. The reversal of 12631145010 is 1054113621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452067 + ... + 479193.

It is an arithmetic number, because the mean of its divisors is an integer number (276868368).

Almost surely, 212631145010 is an apocalyptic number.

12631145010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631145010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17719575552).

12631145010 is an abundant number, since it is smaller than the sum of its proper divisors (22808006094).

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

12631145010 is a wasteful number, since it uses less digits than its factorization.

12631145010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27248.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12631145010 its reverse (1054113621), we get a palindrome (13685258631).

It can be divided in two parts, 12631 and 145010, that added together give a triangular number (157641 = T561).

The spelling of 12631145010 in words is "twelve billion, six hundred thirty-one million, one hundred forty-five thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 51 55 66 83 85 102 110 165 166 170 187 249 255 330 374 415 498 510 561 830 913 935 1122 1245 1411 1826 1870 2490 2739 2805 2822 4233 4565 5478 5610 7055 8466 9130 13695 14110 15521 21165 27127 27390 31042 42330 46563 54254 77605 81381 93126 135635 155210 162762 232815 271270 298397 406905 461159 465630 596794 813810 895191 922318 1383477 1491985 1790382 2251541 2305795 2766954 2983970 4475955 4503082 4611590 5072749 6754623 6917385 8951910 10145498 11257705 13509246 13834770 15218247 22515410 24766951 25363745 30436494 33773115 38276197 49533902 50727490 67546230 74300853 76091235 76552394 114828591 123834755 148601706 152182470 191380985 229657182 247669510 371504265 382761970 421038167 574142955 743008530 842076334 1148285910 1263114501 2105190835 2526229002 4210381670 6315572505 12631145010