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13122221101302 = 231910711342122613
BaseRepresentation
bin1011111011110100000101…
…0100111101000011110110
31201110110202011001202222010
42332331001110331003312
53204443302100220202
643524133134545050
72523022604666655
oct276750124750366
951413664052863
1013122221101302
1141aa114797125
12157b211368186
137425600818c1
1433519433d19c
1517b51462676c
hexbef4153d0f6

13122221101302 has 128 divisors (see below), whose sum is σ = 28198738967040. Its totient is φ = 4058958919680.

The previous prime is 13122221101273. The next prime is 13122221101303. The reversal of 13122221101302 is 20310112222131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122221101303) 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, 580284148 + ... + 580306760.

It is an arithmetic number, because the mean of its divisors is an integer number (220302648180).

Almost surely, 213122221101302 is an apocalyptic number.

13122221101302 is an abundant number, since it is smaller than the sum of its proper divisors (15076517865738).

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

13122221101302 is a wasteful number, since it uses less digits than its factorization.

13122221101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23278.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13122221101302 its reverse (20310112222131), we get a palindrome (33432333323433).

The spelling of 13122221101302 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, three hundred two".

Divisors: 1 2 3 6 19 38 57 107 113 114 214 226 321 339 421 642 678 842 1263 2033 2147 2526 4066 4294 6099 6441 7999 12091 12198 12882 15998 22613 23997 24182 36273 45047 45226 47573 47994 67839 72546 90094 95146 135141 135678 142719 229729 270282 285438 429647 459458 689187 855893 859294 903887 1288941 1378374 1711786 1807774 2419591 2555269 2567679 2577882 2711661 4839182 5090311 5110538 5135358 5423322 7258773 7665807 9520073 10180622 14517546 15270933 15331614 19040146 28560219 30541866 45972229 48550111 57120438 91944458 96715909 97100222 137916687 145650333 180881387 193431818 273413783 275833374 290147727 291300666 361762774 542644161 546827566 580295454 820241349 1018647811 1075768249 1085288322 1640482698 2037295622 2151536498 3055943433 3227304747 5194861877 6111886866 6454609494 10389723754 15584585631 19354308409 20439596731 31169171262 38708616818 40879193462 58062925227 61318790193 115107202643 116125850454 122637580386 230214405286 345321607929 690643215858 2187036850217 4374073700434 6561110550651 13122221101302