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2211113000 = 235317312781
BaseRepresentation
bin1000001111001010…
…1110100000101000
312201002121011211002
42003302232200220
514012021104000
61003223454132
7105536102405
oct20362564050
95632534732
102211113000
11a3512aa18
125185b7348
132931229b5
1416d9312ac
15ce1b48d5
hex83cae828

2211113000 has 64 divisors (see below), whose sum is σ = 5204319120. Its totient is φ = 879264000.

The previous prime is 2211112999. The next prime is 2211113017. The reversal of 2211113000 is 3111122.

It can be written as a sum of positive squares in 8 ways, for example, as 592338244 + 1618774756 = 24338^2 + 40234^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166610 + ... + 179390.

Almost surely, 22211113000 is an apocalyptic number.

2211113000 is a gapful number since it is divisible by the number (20) 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 2211113000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2602159560).

2211113000 is an abundant number, since it is smaller than the sum of its proper divisors (2993206120).

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

2211113000 is a wasteful number, since it uses less digits than its factorization.

2211113000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975 (or 12961 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2211113000 is about 47022.4733505161. The cubic root of 2211113000 is about 1302.7776899171. Note that the first 3 decimals are identical.

Adding to 2211113000 its reverse (3111122), we get a palindrome (2214224122).

The spelling of 2211113000 in words is "two billion, two hundred eleven million, one hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 173 200 250 346 500 692 865 1000 1384 1730 3460 4325 6920 8650 12781 17300 21625 25562 34600 43250 51124 63905 86500 102248 127810 173000 255620 319525 511240 639050 1278100 1597625 2211113 2556200 3195250 4422226 6390500 8844452 11055565 12781000 17688904 22111130 44222260 55277825 88444520 110555650 221111300 276389125 442222600 552778250 1105556500 2211113000