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20443676982 = 233407279497
BaseRepresentation
bin10011000010100010…
…011100000100110110
31221202202101101122120
4103002202130010312
5313332040130412
613220334540410
71322420246541
oct230242340466
957682341576
1020443676982
118740a17113
123b66667706
131c0a59c5b1
14dbd1b9858
157e9baab8c
hex4c289c136

20443676982 has 8 divisors (see below), whose sum is σ = 40887353976. Its totient is φ = 6814558992.

The previous prime is 20443676951. The next prime is 20443676987. The reversal of 20443676982 is 28967634402.

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

20443676982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443676987) 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, 1703639743 + ... + 1703639754.

It is an arithmetic number, because the mean of its divisors is an integer number (5110919247).

Almost surely, 220443676982 is an apocalyptic number.

20443676982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20443676982 is a wasteful number, since it uses less digits than its factorization.

20443676982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407279502.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 20443676982 in words is "twenty billion, four hundred forty-three million, six hundred seventy-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 3407279497 6814558994 10221838491 20443676982