Search a number
-
+
20113000340 = 2251005650017
BaseRepresentation
bin10010101110110101…
…000000011110010100
31220220201011021120112
4102232311000132110
5312142412002330
613123443222152
71311263452646
oct225665003624
956821137515
1020113000340
11859129a934
123a93977958
131b86c20844
14d8b2dc896
157cab3c795
hex4aed40794

20113000340 has 12 divisors (see below), whose sum is σ = 42237300756. Its totient is φ = 8045200128.

The previous prime is 20113000333. The next prime is 20113000361. The reversal of 20113000340 is 4300031102.

It can be written as a sum of positive squares in 2 ways, for example, as 8954458384 + 11158541956 = 94628^2 + 105634^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502824989 + ... + 502825028.

It is an arithmetic number, because the mean of its divisors is an integer number (3519775063).

Almost surely, 220113000340 is an apocalyptic number.

20113000340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113000340 is an abundant number, since it is smaller than the sum of its proper divisors (22124300416).

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

20113000340 is a wasteful number, since it uses less digits than its factorization.

20113000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005650026 (or 1005650024 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20113000340 its reverse (4300031102), we get a palindrome (24413031442).

The spelling of 20113000340 in words is "twenty billion, one hundred thirteen million, three hundred forty", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 1005650017 2011300034 4022600068 5028250085 10056500170 20113000340