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112242031220 = 22511868158771
BaseRepresentation
bin110100010001000100…
…1010111101001110100
3101201201100011222000102
41220202021113221310
53314332424444340
6123321400133232
711052314344424
oct1504211275164
9351640158012
10112242031220
1143668778380
1219905767218
13a779b567b7
14560ac82484
152dbdd68215
hex1a22257a74

112242031220 has 48 divisors (see below), whose sum is σ = 257170286016. Its totient is φ = 40809888000.

The previous prime is 112242031189. The next prime is 112242031229. The reversal of 112242031220 is 22130242211.

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

It is a junction number, because it is equal to n+sod(n) for n = 112242031192 and 112242031201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112242031229) by changing a digit.

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, 1880435 + ... + 1939205.

It is an arithmetic number, because the mean of its divisors is an integer number (5357714292).

Almost surely, 2112242031220 is an apocalyptic number.

112242031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112242031220 is an abundant number, since it is smaller than the sum of its proper divisors (144928254796).

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

112242031220 is a wasteful number, since it uses less digits than its factorization.

112242031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67472 (or 67470 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 112242031220 its reverse (22130242211), we get a palindrome (134372273431).

The spelling of 112242031220 in words is "one hundred twelve billion, two hundred forty-two million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 8681 17362 34724 43405 58771 86810 95491 117542 173620 190982 235084 293855 381964 477455 587710 646481 954910 1175420 1292962 1909820 2585924 3232405 6464810 12929620 510191051 1020382102 2040764204 2550955255 5101910510 5612101561 10203821020 11224203122 22448406244 28060507805 56121015610 112242031220