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112102200020 = 225171321249593
BaseRepresentation
bin110100001100111001…
…1111101001011010100
3101201100121001210200002
41220121303331023110
53314041130400040
6123255443110432
711045665656326
oct1503163751324
9351317053602
10112102200020
11435a68510a8
1219886972418
13a756ba8245
1455d6483616
152db1946a15
hex1a19cfd2d4

112102200020 has 48 divisors (see below), whose sum is σ = 249452230608. Its totient is φ = 42171064320.

The previous prime is 112102200019. The next prime is 112102200043. The reversal of 112102200020 is 20002201211.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 26555309764 + 85546890256 = 162958^2 + 292484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112102199974 and 112102200010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324344 + ... + 573936.

It is an arithmetic number, because the mean of its divisors is an integer number (5196921471).

Almost surely, 2112102200020 is an apocalyptic number.

112102200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112102200020 is an abundant number, since it is smaller than the sum of its proper divisors (137350030588).

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

112102200020 is a wasteful number, since it uses less digits than its factorization.

112102200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250940 (or 250938 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 112102200020 its reverse (20002201211), we get a palindrome (132104401231).

The spelling of 112102200020 in words is "one hundred twelve billion, one hundred two million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1321 2642 5284 6605 13210 22457 26420 44914 89828 112285 224570 249593 449140 499186 998372 1247965 2495930 4243081 4991860 8486162 16972324 21215405 42430810 84861620 329712353 659424706 1318849412 1648561765 3297123530 5605110001 6594247060 11210220002 22420440004 28025550005 56051100010 112102200020