Search a number
-
+
113112131310 = 23253771478417
BaseRepresentation
bin110100101011000000…
…0100010011011101110
3101210221222102121221200
41221112000202123232
53323123201200220
6123544001310330
711113011152403
oct1512600423356
9353858377850
10113112131310
1143a74938462
1219b090353a6
13a8881b1919
1456906582aa
152e2043a890
hex1a560226ee

113112131310 has 96 divisors (see below), whose sum is σ = 306294685632. Its totient is φ = 28934599680.

The previous prime is 113112131221. The next prime is 113112131357. The reversal of 113112131310 is 13131211311.

113112131310 is a `hidden beast` number, since 11 + 311 + 2 + 1 + 31 + 310 = 666.

It is a super-2 number, since 2×1131121313102 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2779 + ... + 475638.

It is an arithmetic number, because the mean of its divisors is an integer number (3190569642).

Almost surely, 2113112131310 is an apocalyptic number.

113112131310 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 113112131310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153147342816).

113112131310 is an abundant number, since it is smaller than the sum of its proper divisors (193182554322).

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

113112131310 is a wasteful number, since it uses less digits than its factorization.

113112131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478538 (or 478535 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113112131310 its reverse (13131211311), we get a palindrome (126243342621).

The spelling of 113112131310 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 71 74 90 111 142 185 213 222 333 355 370 426 555 639 666 710 1065 1110 1278 1665 2130 2627 3195 3330 5254 6390 7881 13135 15762 23643 26270 39405 47286 78810 118215 236430 478417 956834 1435251 2392085 2870502 4305753 4784170 7176255 8611506 14352510 17701429 21528765 33967607 35402858 43057530 53104287 67935214 88507145 101902821 106208574 159312861 169838035 177014290 203805642 265521435 305708463 318625722 339676070 509514105 531042870 611416926 796564305 1019028210 1256801459 1528542315 1593128610 2513602918 3057084630 3770404377 6284007295 7540808754 11311213131 12568014590 18852021885 22622426262 37704043770 56556065655 113112131310