Search a number
-
+
13658823524990 = 25733982164293
BaseRepresentation
bin1100011011000011000101…
…0100110000001001111110
31210100202210220012021012102
43012300301110300021332
53242241232310244430
645014435451105102
72606550244226000
oct306606124601176
953322726167172
1013658823524990
114396746882256
121647208442192
137810383c7337
1435313a7d4370
1518a46d817345
hexc6c3153027e

13658823524990 has 32 divisors (see below), whose sum is σ = 28671582916800. Its totient is φ = 4683025207392.

The previous prime is 13658823524891. The next prime is 13658823524999. The reversal of 13658823524990 is 9942532885631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13658823524999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991078717 + ... + 1991085576.

It is an arithmetic number, because the mean of its divisors is an integer number (895986966150).

Almost surely, 213658823524990 is an apocalyptic number.

13658823524990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13658823524990 is an abundant number, since it is smaller than the sum of its proper divisors (15012759391810).

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

13658823524990 is an equidigital number, since it uses as much as digits as its factorization.

13658823524990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3982164321 (or 3982164307 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 13658823524990 in words is "thirteen trillion, six hundred fifty-eight billion, eight hundred twenty-three million, five hundred twenty-four thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 3430 3982164293 7964328586 19910821465 27875150051 39821642930 55750300102 139375750255 195126050357 278751500510 390252100714 975630251785 1365882352499 1951260503570 2731764704998 6829411762495 13658823524990