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13113143240 = 2351393736323
BaseRepresentation
bin11000011011001101…
…01010111111001000
31020211212200200210212
430031212222333020
5203323431040430
610005112100252
7642645610211
oct141546527710
936755620725
1013113143240
11561a03366a
12265b694688
13130c967972
148c57bc408
1551b350b95
hex30d9aafc8

13113143240 has 64 divisors (see below), whose sum is σ = 29801217600. Its totient is φ = 5192739072.

The previous prime is 13113143233. The next prime is 13113143261. The reversal of 13113143240 is 4234131131.

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, 2070719 + ... + 2077041.

It is an arithmetic number, because the mean of its divisors is an integer number (465644025).

Almost surely, 213113143240 is an apocalyptic number.

13113143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113143240 is an abundant number, since it is smaller than the sum of its proper divisors (16688074360).

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

13113143240 is a wasteful number, since it uses less digits than its factorization.

13113143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13113143240 its reverse (4234131131), we get a palindrome (17347274371).

The spelling of 13113143240 in words is "thirteen billion, one hundred thirteen million, one hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 139 278 373 556 695 746 1112 1390 1492 1865 2780 2984 3730 5560 6323 7460 12646 14920 25292 31615 50584 51847 63230 103694 126460 207388 252920 259235 414776 518470 878897 1036940 1757794 2073880 2358479 3515588 4394485 4716958 7031176 8788970 9433916 11792395 17577940 18867832 23584790 35155880 47169580 94339160 327828581 655657162 1311314324 1639142905 2622628648 3278285810 6556571620 13113143240