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2663880966 = 233103478943
BaseRepresentation
bin1001111011000111…
…1001100100000110
320212122120011201000
42132301321210012
520423423142331
61120200114130
7123004420545
oct23661714406
96778504630
102663880966
11114776721a
12624165946
13335b7b536
141b3b1015c
15108ced0e6
hex9ec79906

2663880966 has 32 divisors (see below), whose sum is σ = 5977221120. Its totient is φ = 879337512.

The previous prime is 2663880941. The next prime is 2663881001. The reversal of 2663880966 is 6690883662.

2663880966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233910 + ... + 245033.

It is an arithmetic number, because the mean of its divisors is an integer number (186788160).

Almost surely, 22663880966 is an apocalyptic number.

2663880966 is an abundant number, since it is smaller than the sum of its proper divisors (3313340154).

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

2663880966 is a wasteful number, since it uses less digits than its factorization.

2663880966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479057 (or 479051 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 2663880966 is about 51612.7984709219. The cubic root of 2663880966 is about 1386.2395062197.

The spelling of 2663880966 in words is "two billion, six hundred sixty-three million, eight hundred eighty thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 9 18 27 54 103 206 309 618 927 1854 2781 5562 478943 957886 1436829 2873658 4310487 8620974 12931461 25862922 49331129 98662258 147993387 295986774 443980161 887960322 1331940483 2663880966