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27842880530 = 25149159711701
BaseRepresentation
bin11001111011100100…
…001010010000010010
32122212102021212202102
4121323210022100102
5424010234134110
620442453320402
72003654402543
oct317344122022
978772255672
1027842880530
1110898642273
125490636102
1328194c844a
1414c1b704ca
15ace57c5a5
hex67b90a412

27842880530 has 32 divisors (see below), whose sum is σ = 50489449200. Its totient is φ = 11054534400.

The previous prime is 27842880523. The next prime is 27842880553. The reversal of 27842880530 is 3508824872.

It can be written as a sum of positive squares in 8 ways, for example, as 6069812281 + 21773068249 = 77909^2 + 147557^2 .

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, 2373680 + ... + 2385380.

Almost surely, 227842880530 is an apocalyptic number.

27842880530 is a deficient number, since it is larger than the sum of its proper divisors (22646568670).

27842880530 is a wasteful number, since it uses less digits than its factorization.

27842880530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13454.

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 27842880530 in words is "twenty-seven billion, eight hundred forty-two million, eight hundred eighty thousand, five hundred thirty".

Divisors: 1 2 5 10 149 298 745 1490 1597 3194 7985 11701 15970 23402 58505 117010 237953 475906 1189765 1743449 2379530 3486898 8717245 17434490 18686497 37372994 93432485 186864970 2784288053 5568576106 13921440265 27842880530