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1883020085 = 5376604017
BaseRepresentation
bin111000000111100…
…1001101100110101
311212020020022221122
41300033021230311
512324023120320
6510503353325
764443256322
oct16017115465
94766208848
101883020085
11886a08951
12446752845
13240169c8b
1413c127b49
15b04a6d25
hex703c9b35

1883020085 has 4 divisors (see below), whose sum is σ = 2259624108. Its totient is φ = 1506416064.

The previous prime is 1883020033. The next prime is 1883020091. The reversal of 1883020085 is 5800203881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5800203881 = 31187103351.

It can be written as a sum of positive squares in 2 ways, for example, as 545362609 + 1337657476 = 23353^2 + 36574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1883020085 - 226 = 1815911221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188302004 + ... + 188302013.

It is an arithmetic number, because the mean of its divisors is an integer number (564906027).

Almost surely, 21883020085 is an apocalyptic number.

It is an amenable number.

1883020085 is a deficient number, since it is larger than the sum of its proper divisors (376604023).

1883020085 is an equidigital number, since it uses as much as digits as its factorization.

1883020085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376604022.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1883020085 is about 43393.7793352918. The cubic root of 1883020085 is about 1234.8616901610.

The spelling of 1883020085 in words is "one billion, eight hundred eighty-three million, twenty thousand, eighty-five".

Divisors: 1 5 376604017 1883020085