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1130412881 = 1386954837
BaseRepresentation
bin100001101100000…
…1011101101010001
32220210001220221202
41003120023231101
54303341203011
6304100400545
740004231243
oct10330135521
92823056852
101130412881
115300a7a24
122766a6155
1315026b880
14aa1b8093
156939223b
hex4360bb51

1130412881 has 4 divisors (see below), whose sum is σ = 1217367732. Its totient is φ = 1043458032.

The previous prime is 1130412869. The next prime is 1130412911. The reversal of 1130412881 is 1882140311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 609843025 + 520569856 = 24695^2 + 22816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130412881 - 214 = 1130396497 is a prime.

It is a super-3 number, since 3×11304128813 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130412821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43477406 + ... + 43477431.

It is an arithmetic number, because the mean of its divisors is an integer number (304341933).

Almost surely, 21130412881 is an apocalyptic number.

It is an amenable number.

1130412881 is a deficient number, since it is larger than the sum of its proper divisors (86954851).

1130412881 is an equidigital number, since it uses as much as digits as its factorization.

1130412881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86954850.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1130412881 is about 33621.6133015654. The cubic root of 1130412881 is about 1041.7072799042.

The spelling of 1130412881 in words is "one billion, one hundred thirty million, four hundred twelve thousand, eight hundred eighty-one".

Divisors: 1 13 86954837 1130412881