Search a number
-
+
13115036000 = 2553111272347
BaseRepresentation
bin11000011011011011…
…11001000101100000
31020212000020212012002
430031231321011200
5203324422123000
610005220423132
7643000652363
oct141555710540
936760225162
1013115036000
115620106730
122660247aa8
13131017b341
148c5b520da
1551b5c68d5
hex30db79160

13115036000 has 192 divisors, whose sum is σ = 35444957184. Its totient is φ = 4729536000.

The previous prime is 13115035981. The next prime is 13115036017. The reversal of 13115036000 is 63051131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 5586827 + ... + 5589173.

It is an arithmetic number, because the mean of its divisors is an integer number (184609152).

Almost surely, 213115036000 is an apocalyptic number.

13115036000 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 13115036000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17722478592).

13115036000 is an abundant number, since it is smaller than the sum of its proper divisors (22329921184).

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

13115036000 is a wasteful number, since it uses less digits than its factorization.

13115036000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 13115036000 its reverse (63051131), we get a palindrome (13178087131).

The spelling of 13115036000 in words is "thirteen billion, one hundred fifteen million, thirty-six thousand".