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13112031235050 = 232521123331135403
BaseRepresentation
bin1011111011001110000111…
…1101101100101111101010
31201102111110000000221022100
42332303201331230233222
53204311414444010200
643515330050434230
72522212233365046
oct276634175545752
951374400027270
1013112031235050
1141a5865890860
121579248892976
137415c7c47847
143348a8cb5026
1517b119c61d00
hexbece1f6cbea

13112031235050 has 144 divisors (see below), whose sum is σ = 38446677835488. Its totient is φ = 3177308956800.

The previous prime is 13112031235049. The next prime is 13112031235063. The reversal of 13112031235050 is 5053213021131.

13112031235050 is a `hidden beast` number, since 1 + 3 + 1 + 120 + 31 + 2 + 3 + 505 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10980649 + ... + 12116051.

It is an arithmetic number, because the mean of its divisors is an integer number (266990818302).

Almost surely, 213112031235050 is an apocalyptic number.

13112031235050 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 13112031235050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19223338917744).

13112031235050 is an abundant number, since it is smaller than the sum of its proper divisors (25334646600438).

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

13112031235050 is a wasteful number, since it uses less digits than its factorization.

13112031235050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137765 (or 1137757 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

Adding to 13112031235050 its reverse (5053213021131), we get a palindrome (18165244256181).

The spelling of 13112031235050 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, two hundred thirty-five thousand, fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 150 165 198 225 275 330 450 495 550 825 990 1650 2333 2475 4666 4950 6999 11665 13998 20997 23330 25663 34995 41994 51326 58325 69990 76989 104985 116650 128315 153978 174975 209970 230967 256630 349950 384945 461934 524925 641575 769890 1049850 1135403 1154835 1283150 1924725 2270806 2309670 3406209 3849450 5677015 5774175 6812418 10218627 11354030 11548350 12489433 17031045 20437254 24978866 28385075 34062090 37468299 51093135 56770150 62447165 74936598 85155225 102186270 112404897 124894330 170310450 187341495 224809794 255465675 312235825 374682990 510931350 562024485 624471650 936707475 1124048970 1873414950 2648895199 2810122425 5297790398 5620244850 7946685597 13244475995 15893371194 23840056791 26488951990 29137847189 39733427985 47680113582 58275694378 66222379975 79466855970 87413541567 119200283955 132444759950 145689235945 174827083134 198667139925 238400567910 262240624701 291378471890 397334279850 437067707835 524481249402 596001419775 728446179725 874135415670 1192002839550 1311203123505 1456892359450 2185338539175 2622406247010 4370677078350 6556015617525 13112031235050