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1303441243 = 13532517537
BaseRepresentation
bin100110110110000…
…1110111101011011
310100211122200020121
41031230032331123
510132140104433
6333201134111
744205032146
oct11554167533
93324580217
101303441243
11609838775
1230462a337
1317a071410
14c517905d
157966ec2d
hex4db0ef5b

1303441243 has 16 divisors (see below), whose sum is σ = 1436079456. Its totient is φ = 1175616000.

The previous prime is 1303441201. The next prime is 1303441253. The reversal of 1303441243 is 3421443031.

It is not a de Polignac number, because 1303441243 - 29 = 1303440731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1303441253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169171 + ... + 176707.

It is an arithmetic number, because the mean of its divisors is an integer number (89754966).

Almost surely, 21303441243 is an apocalyptic number.

1303441243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1303441243 is a deficient number, since it is larger than the sum of its proper divisors (132638213).

1303441243 is a wasteful number, since it uses less digits than its factorization.

1303441243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1303441243 is about 36103.2026695694. The cubic root of 1303441243 is about 1092.3550469136.

Adding to 1303441243 its reverse (3421443031), we get a palindrome (4724884274).

The spelling of 1303441243 in words is "one billion, three hundred three million, four hundred forty-one thousand, two hundred forty-three".

Divisors: 1 13 53 251 689 3263 7537 13303 97981 172939 399461 1891787 5192993 24593231 100264711 1303441243