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2083385680 = 24526042321
BaseRepresentation
bin111110000101101…
…1111000101010000
312101012020221212121
41330023133011100
513231321320210
6542422104024
7102425325505
oct17413370520
95335227777
102083385680
1197a020552
124a187b014
132728217bc
1415a9a34ac
15c2d846da
hex7c2df150

2083385680 has 20 divisors (see below), whose sum is σ = 4843871892. Its totient is φ = 833354240.

The previous prime is 2083385671. The next prime is 2083385687. The reversal of 2083385680 is 865833802.

It can be written as a sum of positive squares in 2 ways, for example, as 1536012864 + 547372816 = 39192^2 + 23396^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2083385687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13021081 + ... + 13021240.

Almost surely, 22083385680 is an apocalyptic number.

2083385680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2083385680 is an abundant number, since it is smaller than the sum of its proper divisors (2760486212).

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

2083385680 is a wasteful number, since it uses less digits than its factorization.

2083385680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26042334 (or 26042328 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2083385680 is about 45644.1198841647. The cubic root of 2083385680 is about 1277.1930842315.

The spelling of 2083385680 in words is "two billion, eighty-three million, three hundred eighty-five thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 26042321 52084642 104169284 130211605 208338568 260423210 416677136 520846420 1041692840 2083385680