Search a number
-
+
20001301030 = 252000130103
BaseRepresentation
bin10010101000001010…
…111010001000100110
31220121220222100221001
4102220022322020212
5311430313113110
613104413143514
71305436152664
oct225012721046
956556870831
1020001301030
118534238557
123a6248ab9a
131b69a41b89
14d7a543c34
157c0e2663a
hex4a82ba226

20001301030 has 8 divisors (see below), whose sum is σ = 36002341872. Its totient is φ = 8000520408.

The previous prime is 20001300971. The next prime is 20001301031. The reversal of 20001301030 is 3010310002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 2000130103 = 20001301030 / (2 + 0 + 0 + 0 + 1 + 3 + 0 + 1 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 20001300998 and 20001301016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001301031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000065042 + ... + 1000065061.

It is an arithmetic number, because the mean of its divisors is an integer number (4500292734).

Almost surely, 220001301030 is an apocalyptic number.

20001301030 is a deficient number, since it is larger than the sum of its proper divisors (16001040842).

20001301030 is a wasteful number, since it uses less digits than its factorization.

20001301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000130110.

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 20001301030 its reverse (3010310002), we get a palindrome (23011611032).

The spelling of 20001301030 in words is "twenty billion, one million, three hundred one thousand, thirty".

Divisors: 1 2 5 10 2000130103 4000260206 10000650515 20001301030