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112505033521 = 211853625087
BaseRepresentation
bin110100011000111010…
…0101001001100110001
3101202101200001212100101
41220301310221030301
53320402242033041
6123403433152401
711061660002116
oct1506164511461
9352350055311
10112505033521
1143793181951
121997985b701
13a7bc49c46a
145633b8490d
152dd6eb9b31
hex1a31d29331

112505033521 has 8 divisors (see below), whose sum is σ = 113170932224. Its totient is φ = 111840387120.

The previous prime is 112505033519. The next prime is 112505033629. The reversal of 112505033521 is 125330505211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112505033521 - 21 = 112505033519 is a prime.

It is a super-2 number, since 2×1125050335212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112505033521.

It is not an unprimeable number, because it can be changed into a prime (112505033821) 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 7 ways as a sum of consecutive naturals, for example, 132561 + ... + 492526.

It is an arithmetic number, because the mean of its divisors is an integer number (14146366528).

Almost surely, 2112505033521 is an apocalyptic number.

It is an amenable number.

112505033521 is a deficient number, since it is larger than the sum of its proper divisors (665898703).

112505033521 is an equidigital number, since it uses as much as digits as its factorization.

112505033521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626151.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 112505033521 its reverse (125330505211), we get a palindrome (237835538732).

The spelling of 112505033521 in words is "one hundred twelve billion, five hundred five million, thirty-three thousand, five hundred twenty-one".

Divisors: 1 211 853 179983 625087 131893357 533199211 112505033521