Search a number
-
+
14005115520 = 2735113121391
BaseRepresentation
bin11010000101100010…
…10001101010000000
31100011001002120202020
431002301101222000
5212140302144040
610233414121440
71004026342404
oct150261215200
940131076666
1014005115520
115a37582640
12286a350280
1314226b0406
1496c049104
1556e7e3cd0
hex342c51a80

14005115520 has 256 divisors, whose sum is σ = 50272911360. Its totient is φ = 3285504000.

The previous prime is 14005115419. The next prime is 14005115543. The reversal of 14005115520 is 2551150041.

It is a super-2 number, since 2×140051155202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644025 + ... + 665415.

It is an arithmetic number, because the mean of its divisors is an integer number (196378560).

Almost surely, 214005115520 is an apocalyptic number.

14005115520 is a gapful number since it is divisible by the number (10) 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 14005115520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25136455680).

14005115520 is an abundant number, since it is smaller than the sum of its proper divisors (36267795840).

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

14005115520 is a wasteful number, since it uses less digits than its factorization.

14005115520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21455 (or 21443 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 14005115520 its reverse (2551150041), we get a palindrome (16556265561).

The spelling of 14005115520 in words is "fourteen billion, five million, one hundred fifteen thousand, five hundred twenty".