Search a number
-
+
2681340000 = 25354232967
BaseRepresentation
bin1001111111010010…
…0000000001100000
320220212102011222220
42133310200001200
520442410340000
61122022231040
7123306004533
oct23764400140
96825364886
102681340000
111156601479
12629b85480
13339682221
141b6176a1a
1510a5eb1a0
hex9fd20060

2681340000 has 480 divisors, whose sum is σ = 9635915520. Its totient is φ = 650496000.

The previous prime is 2681339993. The next prime is 2681340031. The reversal of 2681340000 is 431862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 40019967 + ... + 40020033.

It is an arithmetic number, because the mean of its divisors is an integer number (20074824).

Almost surely, 22681340000 is an apocalyptic number.

2681340000 is a gapful number since it is divisible by the number (20) 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 2681340000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4817957760).

2681340000 is an abundant number, since it is smaller than the sum of its proper divisors (6954575520).

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

2681340000 is a wasteful number, since it uses less digits than its factorization.

2681340000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2681340000 is about 51781.6569839166. The cubic root of 2681340000 is about 1389.2613780183.

Adding to 2681340000 its reverse (431862), we get a palindrome (2681771862).

The spelling of 2681340000 in words is "two billion, six hundred eighty-one million, three hundred forty thousand".