Search a number
-
+
2210300030020 = 225689271603363
BaseRepresentation
bin100000001010100000001…
…001011110110001000100
321211022011121110021101211
4200022200021132301010
5242203143301430040
64411221532301204
7315455203160065
oct40124011366104
97738147407354
102210300030020
11782423820a95
122b8455011804
1313057977c364
1478d9c8b456c
153c7658278ea
hex202a025ec44

2210300030020 has 24 divisors (see below), whose sum is σ = 4641700299264. Its totient is φ = 884106633696.

The previous prime is 2210300030009. The next prime is 2210300030021. The reversal of 2210300030020 is 200300030122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2210300030021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576859 + ... + 2180221.

It is an arithmetic number, because the mean of its divisors is an integer number (193404179136).

Almost surely, 22210300030020 is an apocalyptic number.

2210300030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210300030020 is an abundant number, since it is smaller than the sum of its proper divisors (2431400269244).

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

2210300030020 is a wasteful number, since it uses less digits than its factorization.

2210300030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672299 (or 1672297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 2210300030020 its reverse (200300030122), we get a palindrome (2410600060142).

The spelling of 2210300030020 in words is "two trillion, two hundred ten billion, three hundred million, thirty thousand, twenty".

Divisors: 1 2 4 5 10 20 68927 137854 275708 344635 689270 1378540 1603363 3206726 6413452 8016815 16033630 32067260 110515001501 221030003002 442060006004 552575007505 1105150015010 2210300030020