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1130103018 = 232115707591
BaseRepresentation
bin100001101011100…
…0000000011101010
32220202111011220100
41003113000003222
54303301244033
6304050010230
740001500662
oct10327000352
92822434810
101130103018
1152aa06140
12276576976
13150190815
14aa1371a2
1569330513
hex435c00ea

1130103018 has 24 divisors (see below), whose sum is σ = 2671153056. Its totient is φ = 342455400.

The previous prime is 1130103011. The next prime is 1130103031. The reversal of 1130103018 is 8103010311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1130103011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2853598 + ... + 2853993.

It is an arithmetic number, because the mean of its divisors is an integer number (111298044).

Almost surely, 21130103018 is an apocalyptic number.

1130103018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1130103018 is an abundant number, since it is smaller than the sum of its proper divisors (1541050038).

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

1130103018 is a wasteful number, since it uses less digits than its factorization.

1130103018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5707610 (or 5707607 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1130103018 is about 33617.0048933572. The cubic root of 1130103018 is about 1041.6120887145.

Adding to 1130103018 its reverse (8103010311), we get a palindrome (9233113329).

The spelling of 1130103018 in words is "one billion, one hundred thirty million, one hundred three thousand, eighteen".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 5707591 11415182 17122773 34245546 51368319 62783501 102736638 125567002 188350503 376701006 565051509 1130103018