Search a number
-
+
13510720850 = 2521126733331
BaseRepresentation
bin11001001010100110…
…10011110101010010
31021212120210201202112
430211103103311102
5210132221031400
610112353345322
7655544142464
oct144523236522
937776721675
1013510720850
1158034a4600
122750868242
13137413b7a3
14922512134
155411d6835
hex3254d3d52

13510720850 has 72 divisors (see below), whose sum is σ = 28035278544. Its totient is φ = 4839516000.

The previous prime is 13510720837. The next prime is 13510720859. The reversal of 13510720850 is 5802701531.

13510720850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13510720859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 388685 + ... + 422015.

Almost surely, 213510720850 is an apocalyptic number.

13510720850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13510720850 is an abundant number, since it is smaller than the sum of its proper divisors (14524557694).

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

13510720850 is a wasteful number, since it uses less digits than its factorization.

13510720850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432 (or 33416 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 13510720850 in words is "thirteen billion, five hundred ten million, seven hundred twenty thousand, eight hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 67 110 121 134 242 275 335 550 605 670 737 1210 1474 1675 3025 3350 3685 6050 7370 8107 16214 18425 33331 36850 40535 66662 81070 166655 202675 333310 366641 405350 733282 833275 1666550 1833205 2233177 3666410 4033051 4466354 8066102 9166025 11165885 18332050 20165255 22331770 24564947 40330510 49129894 55829425 100826275 111658850 122824735 201652550 245649470 270214417 540428834 614123675 1228247350 1351072085 2702144170 6755360425 13510720850