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13216024140 = 22351121820389
BaseRepresentation
bin11000100111011110…
…01000011001001100
31021010001021120212120
430103233020121030
5204031300233030
610023225132540
7645335231424
oct142357103114
937101246776
1013216024140
115672112600
12268a02a150
131328079837
148d531d484
155253c4010
hex313bc864c

13216024140 has 72 divisors (see below), whose sum is σ = 40674794160. Its totient is φ = 3203882880.

The previous prime is 13216024127. The next prime is 13216024147. The reversal of 13216024140 is 4142061231.

It is a self number, because there is not a number n which added to its sum of digits gives 13216024140.

It is not an unprimeable number, because it can be changed into a prime (13216024147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 902935 + ... + 917454.

Almost surely, 213216024140 is an apocalyptic number.

13216024140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13216024140 is an abundant number, since it is smaller than the sum of its proper divisors (27458770020).

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

13216024140 is a wasteful number, since it uses less digits than its factorization.

13216024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820423 (or 1820410 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 13216024140 its reverse (4142061231), we get a palindrome (17358085371).

The spelling of 13216024140 in words is "thirteen billion, two hundred sixteen million, twenty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 121 132 165 220 242 330 363 484 605 660 726 1210 1452 1815 2420 3630 7260 1820389 3640778 5461167 7281556 9101945 10922334 18203890 20024279 21844668 27305835 36407780 40048558 54611670 60072837 80097116 100121395 109223340 120145674 200242790 220267069 240291348 300364185 400485580 440534138 600728370 660801207 881068276 1101335345 1201456740 1321602414 2202670690 2643204828 3304006035 4405341380 6608012070 13216024140