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2215021130 = 25731643159
BaseRepresentation
bin1000010000000110…
…1000101001001010
312201100221201202122
42010001220221022
514014021134010
61003443331242
7105614240360
oct20401505112
95640851678
102215021130
11a3735a183
12519980b22
13293b907ba
1417026b630
15ce6d7855
hex84068a4a

2215021130 has 16 divisors (see below), whose sum is σ = 4556615040. Its totient is φ = 759435792.

The previous prime is 2215021111. The next prime is 2215021147. The reversal of 2215021130 is 311205122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2215021099 and 2215021108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15821510 + ... + 15821649.

It is an arithmetic number, because the mean of its divisors is an integer number (284788440).

Almost surely, 22215021130 is an apocalyptic number.

2215021130 is an abundant number, since it is smaller than the sum of its proper divisors (2341593910).

2215021130 is a wasteful number, since it uses less digits than its factorization.

2215021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31643173.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2215021130 is about 47064.0109850404. The cubic root of 2215021130 is about 1303.5447889342.

Adding to 2215021130 its reverse (311205122), we get a palindrome (2526226252).

The spelling of 2215021130 in words is "two billion, two hundred fifteen million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 31643159 63286318 158215795 221502113 316431590 443004226 1107510565 2215021130