Search a number
-
+
203113300020 = 22353385221667
BaseRepresentation
bin1011110100101001111…
…1110000000000110100
3201102021022111201020120
42331022133300000310
511311434001100040
6233150422531540
720450223364311
oct2751237600064
9642238451216
10203113300020
117915a187624
1233446296bb0
13161cc322b37
149b8b77bd08
15543b9487d0
hex2f4a7f0034

203113300020 has 24 divisors (see below), whose sum is σ = 568717240224. Its totient is φ = 54163546656.

The previous prime is 203113299973. The next prime is 203113300051. The reversal of 203113300020 is 20003311302.

203113300020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692610774 + ... + 1692610893.

It is an arithmetic number, because the mean of its divisors is an integer number (23696551676).

Almost surely, 2203113300020 is an apocalyptic number.

203113300020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203113300020 is an abundant number, since it is smaller than the sum of its proper divisors (365603940204).

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

203113300020 is a wasteful number, since it uses less digits than its factorization.

203113300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385221679 (or 3385221677 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203113300020 its reverse (20003311302), we get a palindrome (223116611322).

The spelling of 203113300020 in words is "two hundred three billion, one hundred thirteen million, three hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3385221667 6770443334 10155665001 13540886668 16926108335 20311330002 33852216670 40622660004 50778325005 67704433340 101556650010 203113300020