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1982226983 = 11180202453
BaseRepresentation
bin111011000100110…
…0110001000100111
312010010220120020012
41312021212020213
513024422230413
6524410000435
7100056436262
oct16611461047
95103816205
101982226983
11927a08520
12473a1611b
13257893799
1414b38dcd9
15b90517a8
hex76266227

1982226983 has 4 divisors (see below), whose sum is σ = 2162429448. Its totient is φ = 1802024520.

The previous prime is 1982226929. The next prime is 1982226997. The reversal of 1982226983 is 3896222891.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1982226983 - 212 = 1982222887 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 (1982225983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90101216 + ... + 90101237.

It is an arithmetic number, because the mean of its divisors is an integer number (540607362).

Almost surely, 21982226983 is an apocalyptic number.

1982226983 is a deficient number, since it is larger than the sum of its proper divisors (180202465).

1982226983 is a wasteful number, since it uses less digits than its factorization.

1982226983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180202464.

The product of its digits is 746496, while the sum is 50.

The square root of 1982226983 is about 44522.2077507394. The cubic root of 1982226983 is about 1256.1778401726.

The spelling of 1982226983 in words is "one billion, nine hundred eighty-two million, two hundred twenty-six thousand, nine hundred eighty-three".

Divisors: 1 11 180202453 1982226983