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21232232001310 = 251110313742132491
BaseRepresentation
bin1001101001111100000111…
…01001010110111100011110
32210011210002202100221012111
410310332003221112330132
510240332102343020220
6113053541442224234
74320656334145141
oct464760351267436
983153082327174
1021232232001310
1168465a2494840
12246ab4765507a
13bb02634bb065
145359073dc058
1526c4745d915a
hex134f83a56f1e

21232232001310 has 128 divisors (see below), whose sum is σ = 42506473171968. Its totient is φ = 7571781504000.

The previous prime is 21232232001287. The next prime is 21232232001317. The reversal of 21232232001310 is 1310023223212.

It is a super-2 number, since 2×212322320013102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232232001317) 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, 653464165 + ... + 653496655.

It is an arithmetic number, because the mean of its divisors is an integer number (332081821656).

Almost surely, 221232232001310 is an apocalyptic number.

21232232001310 is an abundant number, since it is smaller than the sum of its proper divisors (21274241170658).

21232232001310 is a wasteful number, since it uses less digits than its factorization.

21232232001310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33170.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21232232001310 its reverse (1310023223212), we get a palindrome (22542255224522).

The spelling of 21232232001310 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred thirty-two million, one thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 55 103 110 137 206 274 421 515 685 842 1030 1133 1370 1507 2105 2266 3014 4210 4631 5665 7535 9262 11330 14111 15070 23155 28222 32491 43363 46310 57677 64982 70555 86726 115354 141110 155221 162455 216815 288385 310442 324910 357401 433630 476993 576770 634447 714802 776105 953986 1268894 1552210 1787005 2384965 3172235 3346573 3574010 4451267 4769930 5940731 6344470 6693146 8902534 11881462 13678711 16732865 22256335 27357422 29703655 33465730 36812303 44512670 48963937 59407310 65348041 68393555 73624606 97927874 130696082 136787110 150465821 184061515 244819685 300931642 326740205 368123030 458480501 489639370 653480410 752329105 916961002 1408907233 1504658210 1873983407 2292402505 2817814466 3747966814 4584805010 5043285511 7044536165 9369917035 10086571022 14089072330 15497979563 18739834070 20613817477 25216427555 30995959126 41227634954 50432855110 77489897815 103069087385 154979795630 193020290921 206138174770 386040581842 965101454605 1930202909210 2123223200131 4246446400262 10616116000655 21232232001310