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112013000020 = 2255600650001
BaseRepresentation
bin110100001010001111…
…1101011110101010100
3101201010101012222021101
41220110133223311110
53313400312000040
6123242535155444
711043533535115
oct1502437536524
9351111188241
10112013000020
1143560466899
1219860b15b84
13a74157648c
1455c86a420c
152da8bc709a
hex1a147ebd54

112013000020 has 12 divisors (see below), whose sum is σ = 235227300084. Its totient is φ = 44805200000.

The previous prime is 112012999979. The next prime is 112013000041. The reversal of 112013000020 is 20000310211.

It can be written as a sum of positive squares in 2 ways, for example, as 41360170384 + 70652829636 = 203372^2 + 265806^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 112012999970 and 112013000006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2800324981 + ... + 2800325020.

It is an arithmetic number, because the mean of its divisors is an integer number (19602275007).

Almost surely, 2112013000020 is an apocalyptic number.

112013000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112013000020 is an abundant number, since it is smaller than the sum of its proper divisors (123214300064).

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

112013000020 is a wasteful number, since it uses less digits than its factorization.

112013000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600650010 (or 5600650008 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 112013000020 its reverse (20000310211), we get a palindrome (132013310231).

The spelling of 112013000020 in words is "one hundred twelve billion, thirteen million, twenty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 5600650001 11201300002 22402600004 28003250005 56006500010 112013000020