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112202021200 = 2452280505053
BaseRepresentation
bin110100001111111000…
…0101111100101010000
3101201121112220020120211
41220133300233211100
53314242204134300
6123313410413504
711051320305223
oct1503760574520
9351545806524
10112202021200
1143648130245
12198b4291294
13a771788529
1456058295ba
152dba5b34ba
hex1a1fc2f950

112202021200 has 30 divisors (see below), whose sum is σ = 269565356894. Its totient is φ = 44880808320.

The previous prime is 112202021161. The next prime is 112202021213. The reversal of 112202021200 is 2120202211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 13959895104 + 98242126096 = 118152^2 + 313436^2 .

It is a super-2 number, since 2×1122020212002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 140252127 + ... + 140252926.

Almost surely, 2112202021200 is an apocalyptic number.

112202021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112202021200 is an abundant number, since it is smaller than the sum of its proper divisors (157363335694).

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

112202021200 is a wasteful number, since it uses less digits than its factorization.

112202021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280505071 (or 280505060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 112202021200 its reverse (2120202211), we get a palindrome (114322223411).

The spelling of 112202021200 in words is "one hundred twelve billion, two hundred two million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 280505053 561010106 1122020212 1402525265 2244040424 2805050530 4488080848 5610101060 7012626325 11220202120 14025252650 22440404240 28050505300 56101010600 112202021200