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111313231304 = 23116785322133
BaseRepresentation
bin110011110101011001…
…0010001110111001000
3101122022121111001001112
41213222302101313020
53310432141400204
6123045300505452
711020305566102
oct1475262216710
9348277431045
10111313231304
1143231465240
12196a66ab288
13a65c5b8452
14555d78a572
152d6754d26e
hex19eac91dc8

111313231304 has 64 divisors (see below), whose sum is σ = 231365816640. Its totient is φ = 49781064960.

The previous prime is 111313231297. The next prime is 111313231333. The reversal of 111313231304 is 403132313111.

It is a self number, because there is not a number n which added to its sum of digits gives 111313231304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018222 + ... + 5040354.

It is an arithmetic number, because the mean of its divisors is an integer number (3615090885).

Almost surely, 2111313231304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111313231304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115682908320).

111313231304 is an abundant number, since it is smaller than the sum of its proper divisors (120052585336).

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

111313231304 is a wasteful number, since it uses less digits than its factorization.

111313231304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23070 (or 23066 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 111313231304 its reverse (403132313111), we get a palindrome (514445544415).

The spelling of 111313231304 in words is "one hundred eleven billion, three hundred thirteen million, two hundred thirty-one thousand, three hundred four".

Divisors: 1 2 4 8 11 22 44 67 88 134 268 536 737 853 1474 1706 2948 3412 5896 6824 9383 18766 22133 37532 44266 57151 75064 88532 114302 177064 228604 243463 457208 486926 628661 973852 1257322 1482911 1947704 2514644 2965822 5029288 5931644 11863288 16312021 18879449 32624042 37758898 65248084 75517796 130496168 151035592 207673939 415347878 830695756 1264923083 1661391512 2529846166 5059692332 10119384664 13914153913 27828307826 55656615652 111313231304