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2104933887 = 32733411649
BaseRepresentation
bin111110101110110…
…1011110111111111
312102200210201110100
41331131223313333
513302330341022
6544512012143
7103106433330
oct17535536777
95380721410
102104933887
119901a8a91
124a8b31053
13277127814
1415d7b2287
15c4bde1ac
hex7d76bdff

2104933887 has 12 divisors (see below), whose sum is σ = 3474811600. Its totient is φ = 1202819328.

The previous prime is 2104933861. The next prime is 2104933921. The reversal of 2104933887 is 7883394012.

It is not a de Polignac number, because 2104933887 - 26 = 2104933823 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 (2104933847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16705762 + ... + 16705887.

Almost surely, 22104933887 is an apocalyptic number.

2104933887 is a deficient number, since it is larger than the sum of its proper divisors (1369877713).

2104933887 is a wasteful number, since it uses less digits than its factorization.

2104933887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33411662 (or 33411659 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2104933887 is about 45879.5584874135. The cubic root of 2104933887 is about 1281.5812746981.

The spelling of 2104933887 in words is "two billion, one hundred four million, nine hundred thirty-three thousand, eight hundred eighty-seven".

Divisors: 1 3 7 9 21 63 33411649 100234947 233881543 300704841 701644629 2104933887