Search a number
-
+
15143040000 = 210325411239
BaseRepresentation
bin11100001101001100…
…00111010000000000
31110002100022010200100
432012212013100000
5222003104240000
610542343522400
71044154500444
oct160646072000
943070263610
1015143040000
1164709400a0
122b27459400
13157437bcca
14a3921a824
155d966ba00
hex386987400

15143040000 has 660 divisors, whose sum is σ = 59855590080. Its totient is φ = 3655680000.

The previous prime is 15143039993. The next prime is 15143040019. The reversal of 15143040000 is 4034151.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (660).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 63359881 + ... + 63360119.

It is an arithmetic number, because the mean of its divisors is an integer number (90690288).

Almost surely, 215143040000 is an apocalyptic number.

15143040000 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 15143040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29927795040).

15143040000 is an abundant number, since it is smaller than the sum of its proper divisors (44712550080).

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

15143040000 is a wasteful number, since it uses less digits than its factorization.

15143040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 15143040000 its reverse (4034151), we get a palindrome (15147074151).

The spelling of 15143040000 in words is "fifteen billion, one hundred forty-three million, forty thousand".