Search a number
-
+
13815413304 = 233711192571531
BaseRepresentation
bin11001101110111011…
…00111101000111000
31022122211010201020020
430313131213220320
5211243221211204
610202520130440
7666234034620
oct146735475070
938584121206
1013815413304
11594a493550
122816906a20
1313c22c0394
14950b87880
1555cd20bd9
hex337767a38

13815413304 has 256 divisors, whose sum is σ = 45533491200. Its totient is φ = 3384115200.

The previous prime is 13815413279. The next prime is 13815413309. The reversal of 13815413304 is 40331451831.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13815413309) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9023019 + ... + 9024549.

It is an arithmetic number, because the mean of its divisors is an integer number (177865200).

Almost surely, 213815413304 is an apocalyptic number.

13815413304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13815413304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22766745600).

13815413304 is an abundant number, since it is smaller than the sum of its proper divisors (31718077896).

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

13815413304 is a wasteful number, since it uses less digits than its factorization.

13815413304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 13815413304 in words is "thirteen billion, eight hundred fifteen million, four hundred thirteen thousand, three hundred four".