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1130311130 = 251317511453
BaseRepresentation
bin100001101011111…
…0010110111011010
32220202212202101012
41003113302313122
54303324424010
6304054253522
740003325504
oct10327626732
92822782335
101130311130
11530038533
122766572a2
13150234470
14aa18cd74
1569372005
hex435f2dda

1130311130 has 32 divisors (see below), whose sum is σ = 2319955344. Its totient is φ = 392795136.

The previous prime is 1130311129. The next prime is 1130311139. The reversal of 1130311130 is 311130311.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 458516569 + 671794561 = 21413^2 + 25919^2 .

It is not an unprimeable number, because it can be changed into a prime (1130311139) 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, 253517 + ... + 257936.

Almost surely, 21130311130 is an apocalyptic number.

1130311130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130311130 is an abundant number, since it is smaller than the sum of its proper divisors (1189644214).

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

1130311130 is a wasteful number, since it uses less digits than its factorization.

1130311130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511490.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1130311130 is about 33620.1000890836. The cubic root of 1130311130 is about 1041.6760234964.

Adding to 1130311130 its reverse (311130311), we get a palindrome (1441441441).

The spelling of 1130311130 in words is "one billion, one hundred thirty million, three hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 13 17 26 34 65 85 130 170 221 442 1105 2210 511453 1022906 2557265 5114530 6648889 8694701 13297778 17389402 33244445 43473505 66488890 86947010 113031113 226062226 565155565 1130311130