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13813234038 = 232767401891
BaseRepresentation
bin11001101110101010…
…10011100101110110
31022122200000222211200
430313111103211312
5211242141442123
610202401313330
7666206360232
oct146725234566
938580028750
1013813234038
1159492351aa
122816035846
1313c1a09486
1495077b5c2
1555ca40143
hex337553976

13813234038 has 12 divisors (see below), whose sum is σ = 29928673788. Its totient is φ = 4604411340.

The previous prime is 13813234037. The next prime is 13813234063. The reversal of 13813234038 is 83043231831.

It is a junction number, because it is equal to n+sod(n) for n = 13813233993 and 13813234011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813234031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383700928 + ... + 383700963.

It is an arithmetic number, because the mean of its divisors is an integer number (2494056149).

Almost surely, 213813234038 is an apocalyptic number.

13813234038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13813234038 is an abundant number, since it is smaller than the sum of its proper divisors (16115439750).

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

13813234038 is a wasteful number, since it uses less digits than its factorization.

13813234038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767401899 (or 767401896 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 13813234038 its reverse (83043231831), we get a palindrome (96856465869).

The spelling of 13813234038 in words is "thirteen billion, eight hundred thirteen million, two hundred thirty-four thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 767401891 1534803782 2302205673 4604411346 6906617019 13813234038