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1130398243 = 133514519
BaseRepresentation
bin100001101100000…
…1000001000100011
32220210001011212121
41003120020020203
54303340220433
6304100205111
740004140462
oct10330101043
92823034777
101130398243
11530097a27
12276699797
13150265000
14aa1b29d9
156938cc2d
hex43608223

1130398243 has 8 divisors (see below), whose sum is σ = 1224557600. Its totient is φ = 1043442504.

The previous prime is 1130398219. The next prime is 1130398271. The reversal of 1130398243 is 3428930311.

It is not a de Polignac number, because 1130398243 - 229 = 593527331 is a prime.

It is a super-3 number, since 3×11303982433 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130398199 and 1130398208.

It is not an unprimeable number, because it can be changed into a prime (1130398543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255063 + ... + 259456.

It is an arithmetic number, because the mean of its divisors is an integer number (153069700).

Almost surely, 21130398243 is an apocalyptic number.

1130398243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1130398243 is a deficient number, since it is larger than the sum of its proper divisors (94159357).

1130398243 is an frugal number, since it uses more digits than its factorization.

1130398243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514558 (or 514532 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 1130398243 is about 33621.3956135078. The cubic root of 1130398243 is about 1041.7027834418.

The spelling of 1130398243 in words is "one billion, one hundred thirty million, three hundred ninety-eight thousand, two hundred forty-three".

Divisors: 1 13 169 2197 514519 6688747 86953711 1130398243