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112551020505 = 335711176131039
BaseRepresentation
bin110100011010010010…
…0000100011111011001
3101202111212121020122000
41220310210010133121
53321001030124010
6123412154551213
711063055614010
oct1506444043731
9352455536560
10112551020505
1143807131620
1219991138509
13a7c8b810b1
145639d15a77
152ddb0507c0
hex1a349047d9

112551020505 has 256 divisors, whose sum is σ = 264823603200. Its totient is φ = 43908894720.

The previous prime is 112551020489. The next prime is 112551020551. The reversal of 112551020505 is 505020155211.

112551020505 is a `hidden beast` number, since 1 + 1 + 2 + 55 + 102 + 0 + 505 = 666.

It is not a de Polignac number, because 112551020505 - 24 = 112551020489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 255 ways as a sum of consecutive naturals, for example, 108325776 + ... + 108326814.

It is an arithmetic number, because the mean of its divisors is an integer number (1034467200).

Almost surely, 2112551020505 is an apocalyptic number.

112551020505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112551020505 is an abundant number, since it is smaller than the sum of its proper divisors (152272582695).

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

112551020505 is a wasteful number, since it uses less digits than its factorization.

112551020505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

Adding to 112551020505 its reverse (505020155211), we get a palindrome (617571175716).

The spelling of 112551020505 in words is "one hundred twelve billion, five hundred fifty-one million, twenty thousand, five hundred five".