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13113302440 = 235773641551
BaseRepresentation
bin11000011011001110…
…10001110110101000
31020211212222210012011
430031213101312220
5203324001134230
610005115325304
7642650142310
oct141547216650
936755883164
1013113302440
11561a132237
12265b750834
13130c9c2274
148c5820440
1551b382e2a
hex30d9d1da8

13113302440 has 64 divisors (see below), whose sum is σ = 34181890560. Its totient is φ = 4434393600.

The previous prime is 13113302437. The next prime is 13113302441. The reversal of 13113302440 is 4420331131.

13113302440 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 (13113302441) 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 15 ways as a sum of consecutive naturals, for example, 300336 + ... + 341215.

It is an arithmetic number, because the mean of its divisors is an integer number (534092040).

Almost surely, 213113302440 is an apocalyptic number.

13113302440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113302440 is an abundant number, since it is smaller than the sum of its proper divisors (21068588120).

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

13113302440 is a wasteful number, since it uses less digits than its factorization.

13113302440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641642 (or 641638 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13113302440 its reverse (4420331131), we get a palindrome (17533633571).

The spelling of 13113302440 in words is "thirteen billion, one hundred thirteen million, three hundred two thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 73 140 146 280 292 365 511 584 730 1022 1460 2044 2555 2920 4088 5110 10220 20440 641551 1283102 2566204 3207755 4490857 5132408 6415510 8981714 12831020 17963428 22454285 25662040 35926856 44908570 46833223 89817140 93666446 179634280 187332892 234166115 327832561 374665784 468332230 655665122 936664460 1311330244 1639162805 1873328920 2622660488 3278325610 6556651220 13113302440