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1420111303 = 131720293167
BaseRepresentation
bin101010010100101…
…0010110111000111
310122222012010110221
41110221102313013
510402022030203
6352525525211
750122514122
oct12451226707
93588163427
101420111303
11669685706
12337713807
131982a0760
14d68693b9
1584a18abd
hex54a52dc7

1420111303 has 16 divisors (see below), whose sum is σ = 1620622080. Its totient is φ = 1232764416.

The previous prime is 1420111279. The next prime is 1420111313. The reversal of 1420111303 is 3031110241.

It is not a de Polignac number, because 1420111303 - 217 = 1419980231 is a prime.

It is a super-2 number, since 2×14201113032 = 4033432225816715618, 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 (1420111313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446826 + ... + 449992.

It is an arithmetic number, because the mean of its divisors is an integer number (101288880).

Almost surely, 21420111303 is an apocalyptic number.

1420111303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1420111303 is a deficient number, since it is larger than the sum of its proper divisors (200510777).

1420111303 is a wasteful number, since it uses less digits than its factorization.

1420111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5226.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1420111303 is about 37684.3641713642. The cubic root of 1420111303 is about 1124.0202308787.

Adding to 1420111303 its reverse (3031110241), we get a palindrome (4451221544).

The spelling of 1420111303 in words is "one billion, four hundred twenty million, one hundred eleven thousand, three hundred three".

Divisors: 1 13 17 221 2029 3167 26377 34493 41171 53839 448409 699907 6425843 83535959 109239331 1420111303