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111303204140 = 22531197390989
BaseRepresentation
bin110011110101000110…
…0000001110100101100
3101122021220121121101002
41213222030001310230
53310422110013030
6123044301535432
711020124424302
oct1475214016454
9348256547332
10111303204140
1143226836727
12196a3274578
13a65a4b740b
14555c2da272
152d6671c245
hex19ea301d2c

111303204140 has 48 divisors (see below), whose sum is σ = 241401565440. Its totient is φ = 43062800640.

The previous prime is 111303204073. The next prime is 111303204157. The reversal of 111303204140 is 41402303111.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 1177766 + ... + 1268754.

It is an arithmetic number, because the mean of its divisors is an integer number (5029199280).

Almost surely, 2111303204140 is an apocalyptic number.

111303204140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111303204140 is an abundant number, since it is smaller than the sum of its proper divisors (130098361300).

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

111303204140 is a wasteful number, since it uses less digits than its factorization.

111303204140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93002 (or 93000 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 111303204140 its reverse (41402303111), we get a palindrome (152705507251).

The spelling of 111303204140 in words is "one hundred eleven billion, three hundred three million, two hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1973 3946 7892 9865 19730 39460 61163 90989 122326 181978 244652 305815 363956 454945 611630 909890 1223260 1819780 2820659 5641318 11282636 14103295 28206590 56413180 179521297 359042594 718085188 897606485 1795212970 3590425940 5565160207 11130320414 22260640828 27825801035 55651602070 111303204140