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112081081 = 7446681
BaseRepresentation
bin1101010111000…
…11100010111001
321210220022100011
412223203202321
5212143043311
615042141521
72530450000
oct653434271
9253808304
10112081081
11582a31a2
12316518a1
131a2b3688
1410c57c37
159c8e321
hex6ae38b9

112081081 has 10 divisors (see below), whose sum is σ = 130756282. Its totient is φ = 96067440.

The previous prime is 112081069. The next prime is 112081087. The reversal of 112081081 is 180180211.

It can be written as a sum of positive squares in only one way, i.e., 112021056 + 60025 = 10584^2 + 245^2 .

It is not a de Polignac number, because 112081081 - 25 = 112081049 is a prime.

It is a super-2 number, since 2×1120810812 = 25124337436257122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112081087) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20940 + ... + 25741.

Almost surely, 2112081081 is an apocalyptic number.

It is an amenable number.

112081081 is a deficient number, since it is larger than the sum of its proper divisors (18675201).

112081081 is an frugal number, since it uses more digits than its factorization.

112081081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46709 (or 46688 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 22.

The square root of 112081081 is about 10586.8352683888. The cubic root of 112081081 is about 482.1447442680.

The spelling of 112081081 in words is "one hundred twelve million, eighty-one thousand, eighty-one".

Divisors: 1 7 49 343 2401 46681 326767 2287369 16011583 112081081