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1420033311 = 32157781479
BaseRepresentation
bin101010010100011…
…1111110100011111
310122222001011111100
41110220333310133
510402012031221
6352524124143
750122040544
oct12450776437
93588034440
101420033311
11669632054
12337696653
131982740c8
14d6848bcb
1584a00926
hex54a3fd1f

1420033311 has 6 divisors (see below), whose sum is σ = 2051159240. Its totient is φ = 946688868.

The previous prime is 1420033297. The next prime is 1420033357. The reversal of 1420033311 is 1133300241.

It is not a de Polignac number, because 1420033311 - 27 = 1420033183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420038311) 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 5 ways as a sum of consecutive naturals, for example, 78890731 + ... + 78890748.

Almost surely, 21420033311 is an apocalyptic number.

1420033311 is a deficient number, since it is larger than the sum of its proper divisors (631125929).

1420033311 is a wasteful number, since it uses less digits than its factorization.

1420033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157781485 (or 157781482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1420033311 is about 37683.3293513193. The cubic root of 1420033311 is about 1123.9996535736. Note that the first 3 decimals are identical.

Adding to 1420033311 its reverse (1133300241), we get a palindrome (2553333552).

The spelling of 1420033311 in words is "one billion, four hundred twenty million, thirty-three thousand, three hundred eleven".

Divisors: 1 3 9 157781479 473344437 1420033311