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2561472314 = 21721092373
BaseRepresentation
bin1001100010101100…
…1111011100111010
320121111212021102222
42120223033130322
520221214103224
61102101124042
7120322104212
oct23053173472
96544767388
102561472314
1110a4980075
125b59b9622
1331a8a35bb
141a4293242
15eed1eb5e
hex98acf73a

2561472314 has 36 divisors (see below), whose sum is σ = 4130347914. Its totient is φ = 1191138048.

The previous prime is 2561472301. The next prime is 2561472341. The reversal of 2561472314 is 4132741652.

It can be written as a sum of positive squares in 9 ways, for example, as 1602641089 + 958831225 = 40033^2 + 30965^2 .

It is a super-2 number, since 2×25614723142 = 13122280830777029192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6867032 + ... + 6867404.

Almost surely, 22561472314 is an apocalyptic number.

2561472314 is a deficient number, since it is larger than the sum of its proper divisors (1568875600).

2561472314 is a wasteful number, since it uses less digits than its factorization.

2561472314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627 (or 501 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 2561472314 is about 50610.9900515688. The cubic root of 2561472314 is about 1368.2429593240.

The spelling of 2561472314 in words is "two billion, five hundred sixty-one million, four hundred seventy-two thousand, three hundred fourteen".

Divisors: 1 2 17 34 109 218 289 373 578 746 1853 3706 6341 11881 12682 23762 31501 40657 63002 81314 107797 201977 215594 403954 691169 1382338 3433609 4431613 6867218 8863226 11749873 23499746 75337421 150674842 1280736157 2561472314