Search a number
-
+
11512343244220 = 2257137098921669
BaseRepresentation
bin1010011110000110110100…
…1000010010110110111100
31111202120100222212011110021
42213201231020102312330
53002104234332303340
640252410353221524
72265511411665520
oct247415510226674
944676328764407
1011512343244220
1137393a26a9495
12135b2045618a4
136567bc865820
142bb2b3c05d80
1514e6e0c5ee4a
hexa786d212dbc

11512343244220 has 96 divisors (see below), whose sum is σ = 29796950332800. Its totient is φ = 3638327583744.

The previous prime is 11512343244161. The next prime is 11512343244247. The reversal of 11512343244220 is 2244234321511.

11512343244220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3170455 + ... + 5751214.

It is an arithmetic number, because the mean of its divisors is an integer number (310384899300).

Almost surely, 211512343244220 is an apocalyptic number.

11512343244220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11512343244220 is an abundant number, since it is smaller than the sum of its proper divisors (18284607088580).

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

11512343244220 is a wasteful number, since it uses less digits than its factorization.

11512343244220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8922407 (or 8922405 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 11512343244220 its reverse (2244234321511), we get a palindrome (13756577565731).

The spelling of 11512343244220 in words is "eleven trillion, five hundred twelve billion, three hundred forty-three million, two hundred forty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 130 140 182 260 364 455 709 910 1418 1820 2836 3545 4963 7090 9217 9926 14180 18434 19852 24815 36868 46085 49630 64519 92170 99260 129038 184340 258076 322595 645190 1290380 8921669 17843338 35686676 44608345 62451683 89216690 115981697 124903366 178433380 231963394 249806732 312258415 463926788 579908485 624516830 811871879 1159816970 1249033660 1623743758 2319633940 3247487516 4059359395 6325463321 8118718790 12650926642 16237437580 25301853284 31627316605 44278243247 63254633210 82231023173 88556486494 126509266420 164462046346 177112972988 221391216235 328924092692 411155115865 442782432470 575617162211 822310231730 885564864940 1151234324422 1644620463460 2302468648844 2878085811055 5756171622110 11512343244220