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2663606530 = 251320489281
BaseRepresentation
bin1001111011000011…
…0110100100000010
320212122001020020201
42132300312210002
520423340402110
61120150155414
7123002165464
oct23660664402
96778036221
102663606530
11114759a012
12624052b6a
13335ab3650
141b3a7c134
15108c96b3a
hex9ec36902

2663606530 has 16 divisors (see below), whose sum is σ = 5163299064. Its totient is φ = 983485440.

The previous prime is 2663606509. The next prime is 2663606557. The reversal of 2663606530 is 356063662.

It can be written as a sum of positive squares in 4 ways, for example, as 1961515521 + 702091009 = 44289^2 + 26497^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2663606530.

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, 10244511 + ... + 10244770.

Almost surely, 22663606530 is an apocalyptic number.

2663606530 is a deficient number, since it is larger than the sum of its proper divisors (2499692534).

2663606530 is a wasteful number, since it uses less digits than its factorization.

2663606530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20489301.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 2663606530 is about 51610.1397982993. The cubic root of 2663606530 is about 1386.1919006028.

The spelling of 2663606530 in words is "two billion, six hundred sixty-three million, six hundred six thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 20489281 40978562 102446405 204892810 266360653 532721306 1331803265 2663606530