Search a number
-
+
2210210030220 = 2235169632171599
BaseRepresentation
bin100000001010011010110…
…010001010001010001100
321211021221100002210212220
4200022122302022022030
5242203002231431340
64411204555255340
7315453031165023
oct40123262121214
97737840083786
102210210030220
11782387a3a895
122b842aa4a550
13130563c2a53a
1478d909678ba
153c75c99aed0
hex2029ac8a28c

2210210030220 has 48 divisors (see below), whose sum is σ = 6188955763200. Its totient is φ = 589354324416.

The previous prime is 2210210030209. The next prime is 2210210030221. The reversal of 2210210030220 is 220300120122.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2210210030220.

It is not an unprimeable number, because it can be changed into a prime (2210210030221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68020 + ... + 2103579.

It is an arithmetic number, because the mean of its divisors is an integer number (128936578400).

Almost surely, 22210210030220 is an apocalyptic number.

2210210030220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210210030220 is an abundant number, since it is smaller than the sum of its proper divisors (3978745732980).

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

2210210030220 is a wasteful number, since it uses less digits than its factorization.

2210210030220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188574 (or 2188572 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 2210210030220 its reverse (220300120122), we get a palindrome (2430510150342).

The spelling of 2210210030220 in words is "two trillion, two hundred ten billion, two hundred ten million, thirty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 16963 33926 50889 67852 84815 101778 169630 203556 254445 339260 508890 1017780 2171599 4343198 6514797 8686396 10857995 13029594 21715990 26059188 32573985 43431980 65147970 130295940 36836833837 73673667674 110510501511 147347335348 184184169185 221021003022 368368338370 442042006044 552552507555 736736676740 1105105015110 2210210030220