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2215131130 = 25713119903
BaseRepresentation
bin1000010000001000…
…0011011111111010
312201101011022122201
42010002003133322
514014033144010
61003445540414
7105615206152
oct20402033772
95641138581
102215131130
11a37424893
12519a1470a
13293bcb8a4
14170299762
15ce70a23a
hex840837fa

2215131130 has 16 divisors (see below), whose sum is σ = 4043395584. Its totient is φ = 873572560.

The previous prime is 2215131101. The next prime is 2215131151. The reversal of 2215131130 is 311315122.

It is a junction number, because it is equal to n+sod(n) for n = 2215131098 and 2215131107.

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, 1559242 + ... + 1560661.

It is an arithmetic number, because the mean of its divisors is an integer number (252712224).

Almost surely, 22215131130 is an apocalyptic number.

2215131130 is a deficient number, since it is larger than the sum of its proper divisors (1828264454).

2215131130 is a wasteful number, since it uses less digits than its factorization.

2215131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119981.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 2215131130 is about 47065.1795917109. The cubic root of 2215131130 is about 1303.5663669907.

Adding to 2215131130 its reverse (311315122), we get a palindrome (2526446252).

The spelling of 2215131130 in words is "two billion, two hundred fifteen million, one hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 3119903 6239806 15599515 31199030 221513113 443026226 1107565565 2215131130