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1338220303 = 71789106861
BaseRepresentation
bin100111111000011…
…1001111100001111
310110021002122010221
41033300321330033
510220041022203
6340442412211
745106453630
oct11760717417
93407078127
101338220303
116274327a2
12314201067
1318432a744
14c9a2d887
157c73eabd
hex4fc39f0f

1338220303 has 8 divisors (see below), whose sum is σ = 1530263840. Its totient is φ = 1146394080.

The previous prime is 1338220291. The next prime is 1338220321. The reversal of 1338220303 is 3030228331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338220303 - 29 = 1338219791 is a prime.

It is a super-2 number, since 2×13382203032 = 3581667158722823618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338220333) 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 7 ways as a sum of consecutive naturals, for example, 40908 + ... + 65953.

It is an arithmetic number, because the mean of its divisors is an integer number (191282980).

Almost surely, 21338220303 is an apocalyptic number.

1338220303 is a deficient number, since it is larger than the sum of its proper divisors (192043537).

1338220303 is a wasteful number, since it uses less digits than its factorization.

1338220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108657.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1338220303 is about 36581.6935501898. The cubic root of 1338220303 is about 1101.9854782820.

Adding to 1338220303 its reverse (3030228331), we get a palindrome (4368448634).

The spelling of 1338220303 in words is "one billion, three hundred thirty-eight million, two hundred twenty thousand, three hundred three".

Divisors: 1 7 1789 12523 106861 748027 191174329 1338220303