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2681641086 = 232161206821
BaseRepresentation
bin1001111111010110…
…1001100001111110
320220212222111000020
42133311221201332
520443000003321
61122032513010
7123311400405
oct23765514176
96825874006
102681641086
111156797703
1262a0ab766
13339759297
141b621463c
1510a65a4c6
hex9fd6987e

2681641086 has 16 divisors (see below), whose sum is σ = 5365789968. Its totient is φ = 893462400.

The previous prime is 2681641073. The next prime is 2681641091. The reversal of 2681641086 is 6801461862.

It is a Curzon number.

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, 90445 + ... + 116376.

It is an arithmetic number, because the mean of its divisors is an integer number (335361873).

Almost surely, 22681641086 is an apocalyptic number.

2681641086 is an abundant number, since it is smaller than the sum of its proper divisors (2684148882).

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

2681641086 is a wasteful number, since it uses less digits than its factorization.

2681641086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208987.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 2681641086 is about 51784.5641673269. The cubic root of 2681641086 is about 1389.3133758373.

The spelling of 2681641086 in words is "two billion, six hundred eighty-one million, six hundred forty-one thousand, eighty-six".

Divisors: 1 2 3 6 2161 4322 6483 12966 206821 413642 620463 1240926 446940181 893880362 1340820543 2681641086