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2889142086 = 232571873633
BaseRepresentation
bin1010110000110100…
…1100111101000110
321110100102121212110
42230031030331012
521404110021321
61154404201450
7131411205525
oct25415147506
97410377773
102889142086
111252933236
12687699286
1337073b83c
141d59ca4bc
1511d997176
hexac34cf46

2889142086 has 16 divisors (see below), whose sum is σ = 5800770864. Its totient is φ = 959299584.

The previous prime is 2889142073. The next prime is 2889142117. The reversal of 2889142086 is 6802419882.

2889142086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 935275 + ... + 938358.

It is an arithmetic number, because the mean of its divisors is an integer number (362548179).

Almost surely, 22889142086 is an apocalyptic number.

2889142086 is an abundant number, since it is smaller than the sum of its proper divisors (2911628778).

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

2889142086 is a wasteful number, since it uses less digits than its factorization.

2889142086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873895.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 2889142086 is about 53750.7403297852. The cubic root of 2889142086 is about 1424.2611679979.

The spelling of 2889142086 in words is "two billion, eight hundred eighty-nine million, one hundred forty-two thousand, eighty-six".

Divisors: 1 2 3 6 257 514 771 1542 1873633 3747266 5620899 11241798 481523681 963047362 1444571043 2889142086