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2211031130 = 257112871469
BaseRepresentation
bin1000001111001001…
…1010100001011010
312201002110000111212
42003302122201122
514012010444010
61003222023122
7105535311620
oct20362324132
95632400455
102211031130
11a35084460
12518577aa2
132930c4659
1416d90d510
15ce19a505
hex83c9a85a

2211031130 has 32 divisors (see below), whose sum is σ = 4961900160. Its totient is φ = 689152320.

The previous prime is 2211031057. The next prime is 2211031133. The reversal of 2211031130 is 311301122.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2211031133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1434965 + ... + 1436504.

It is an arithmetic number, because the mean of its divisors is an integer number (155059380).

Almost surely, 22211031130 is an apocalyptic number.

2211031130 is an abundant number, since it is smaller than the sum of its proper divisors (2750869030).

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

2211031130 is a wasteful number, since it uses less digits than its factorization.

2211031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871494.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2211031130 is about 47021.6028012657. The cubic root of 2211031130 is about 1302.7616105752.

Adding to 2211031130 its reverse (311301122), we get a palindrome (2522332252).

The spelling of 2211031130 in words is "two billion, two hundred eleven million, thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 2871469 5742938 14357345 20100283 28714690 31586159 40200566 63172318 100501415 157930795 201002830 221103113 315861590 442206226 1105515565 2211031130