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12131142333310 = 25711132479948869
BaseRepresentation
bin1011000010001000000001…
…1011011111001101111110
31120221201121011111220010101
42300202000123133031332
53042224034414131220
641444545253231314
72361306005316460
oct260420033371576
946851534456111
1012131142333310
113957874652950
12143b11b03253a
1369cc67147990
142dd216a86130
1516085b1cd30a
hexb08806df37e

12131142333310 has 128 divisors (see below), whose sum is σ = 29320123392000. Its totient is φ = 3490066552320.

The previous prime is 12131142333301. The next prime is 12131142333313. The reversal of 12131142333310 is 1333324113121.

12131142333310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121311423333102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131142333313) 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, 248213556 + ... + 248262424.

It is an arithmetic number, because the mean of its divisors is an integer number (229063464000).

Almost surely, 212131142333310 is an apocalyptic number.

12131142333310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131142333310 is an abundant number, since it is smaller than the sum of its proper divisors (17188981058690).

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

12131142333310 is a wasteful number, since it uses less digits than its factorization.

12131142333310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73706.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 12131142333310 its reverse (1333324113121), we get a palindrome (13464466446431).

The spelling of 12131142333310 in words is "twelve trillion, one hundred thirty-one billion, one hundred forty-two million, three hundred thirty-three thousand, three hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 24799 48869 49598 97738 123995 173593 244345 247990 272789 322387 342083 347186 488690 537559 545578 635297 644774 684166 867965 1075118 1270594 1363945 1611935 1710415 1735930 1909523 2256709 2687795 2727890 3176485 3223870 3420830 3546257 3762913 3819046 4447079 4513418 5375590 6352970 6988267 7092514 7525826 8894158 9547615 11283545 13976534 17731285 18814565 19095230 22235395 22567090 24823799 34941335 35462570 37629130 44470790 48917869 49647598 69882670 97835738 124118995 244589345 248237990 489178690 1211902331 2423804662 6059511655 8483316317 12119023310 13330925641 15754730303 16966632634 26661851282 31509460606 42416581585 66654628205 78773651515 84833163170 93316479487 110283112121 133309256410 157547303030 173302033333 186632958974 220566224242 346604066666 466582397435 551415560605 866510166665 933164794870 1102831121210 1213114233331 1733020333330 2426228466662 6065571166655 12131142333310