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20086000887 = 3475921111443
BaseRepresentation
bin10010101101001110…
…000000110011110111
31220211211100120021210
4102231032000303313
5312114004012022
613121040412503
71310515122231
oct225516006367
956754316253
1020086000887
118578029837
123a86917133
131b81459534
14d878b1251
157c85a7a0c
hex4ad380cf7

20086000887 has 32 divisors (see below), whose sum is σ = 27948994560. Its totient is φ = 12821447520.

The previous prime is 20086000861. The next prime is 20086000931. The reversal of 20086000887 is 78800068002.

It is not a de Polignac number, because 20086000887 - 211 = 20085998839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20086000807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1749588 + ... + 1761030.

It is an arithmetic number, because the mean of its divisors is an integer number (873406080).

Almost surely, 220086000887 is an apocalyptic number.

20086000887 is a deficient number, since it is larger than the sum of its proper divisors (7862993673).

20086000887 is a wasteful number, since it uses less digits than its factorization.

20086000887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11763.

The product of its (nonzero) digits is 43008, while the sum is 39.

Adding to 20086000887 its reverse (78800068002), we get a palindrome (98886068889).

The spelling of 20086000887 in words is "twenty billion, eighty-six million, eight hundred eighty-seven", and thus it is an aban number.

Divisors: 1 3 47 59 141 177 211 633 2773 8319 9917 11443 12449 29751 34329 37347 537821 585103 675137 1613463 1755309 2025411 2414473 7243419 31731439 95194317 113480231 142453907 340440693 427361721 6695333629 20086000887