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1361027303 = 6122311923
BaseRepresentation
bin101000100011111…
…1010000011100111
310111212000100110122
41101013322003213
510241410333203
6343015312155
745504353426
oct12107720347
93455010418
101361027303
1163929aa59
1231b97b65b
13188c846cc
14cca892bd
157e747538
hex511fa0e7

1361027303 has 4 divisors (see below), whose sum is σ = 1383339288. Its totient is φ = 1338715320.

The previous prime is 1361027299. The next prime is 1361027309. The reversal of 1361027303 is 3037201631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3037201631 = 5869517499.

It is a cyclic number.

It is not a de Polignac number, because 1361027303 - 22 = 1361027299 is a prime.

It is a super-2 number, since 2×13610273032 = 3704790639022907618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361027309) 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, 11155901 + ... + 11156022.

It is an arithmetic number, because the mean of its divisors is an integer number (345834822).

Almost surely, 21361027303 is an apocalyptic number.

1361027303 is a deficient number, since it is larger than the sum of its proper divisors (22311985).

1361027303 is an equidigital number, since it uses as much as digits as its factorization.

1361027303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22311984.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1361027303 is about 36892.1035317858. The cubic root of 1361027303 is about 1108.2105471957.

Adding to 1361027303 its reverse (3037201631), we get a palindrome (4398228934).

The spelling of 1361027303 in words is "one billion, three hundred sixty-one million, twenty-seven thousand, three hundred three".

Divisors: 1 61 22311923 1361027303