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13085528060 = 2251125407243
BaseRepresentation
bin11000010111111010…
…10100111111111100
31020202221201200220102
430023331110333330
5203244343344220
610002244140232
7642162103403
oct141375247774
936687650812
1013085528060
115605491a00
122652397678
131307019317
148c1c7063a
15518be8775
hex30bf54ffc

13085528060 has 36 divisors (see below), whose sum is σ = 30204864984. Its totient is φ = 4758372960.

The previous prime is 13085528051. The next prime is 13085528107. The reversal of 13085528060 is 6082558031.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2701202 + ... + 2706041.

Almost surely, 213085528060 is an apocalyptic number.

13085528060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13085528060 is an abundant number, since it is smaller than the sum of its proper divisors (17119336924).

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

13085528060 is a wasteful number, since it uses less digits than its factorization.

13085528060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407274 (or 5407261 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

It can be divided in two parts, 13085 and 528060, that added together give a palindrome (541145).

The spelling of 13085528060 in words is "thirteen billion, eighty-five million, five hundred twenty-eight thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 5407243 10814486 21628972 27036215 54072430 59479673 108144860 118959346 237918692 297398365 594796730 654276403 1189593460 1308552806 2617105612 3271382015 6542764030 13085528060