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1112212080 = 243357174327
BaseRepresentation
bin100001001001011…
…0000001001110000
32212111211020011000
41002102300021300
54234211241310
6302210322000
736363434550
oct10222601160
92774736130
101112212080
115208a6441
12270589300
13149568375
14a79db160
15679994c0
hex424b0270

1112212080 has 320 divisors, whose sum is σ = 4636846080. Its totient is φ = 239210496.

The previous prime is 1112212067. The next prime is 1112212091. The reversal of 1112212080 is 802122111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 254877 + ... + 259203.

It is an arithmetic number, because the mean of its divisors is an integer number (14490144).

Almost surely, 21112212080 is an apocalyptic number.

1112212080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112212080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318423040).

1112212080 is an abundant number, since it is smaller than the sum of its proper divisors (3524634000).

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

1112212080 is a wasteful number, since it uses less digits than its factorization.

1112212080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4361 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1112212080 is about 33349.8437777450. The cubic root of 1112212080 is about 1036.0861523541.

Adding to 1112212080 its reverse (802122111), we get a palindrome (1914334191).

The spelling of 1112212080 in words is "one billion, one hundred twelve million, two hundred twelve thousand, eighty".