Search a number
-
+
212203020430 = 2521220302043
BaseRepresentation
bin1100010110100001001…
…0010010000010001110
3202021201210102100112001
43011220102102002032
511434042433123210
6241252411102514
721221405625022
oct3055022220216
9667653370461
10212203020430
1181aa4089055
1235162441a3a
131701a557a1b
14a3b0a6a382
1557be94903a
hex316849208e

212203020430 has 8 divisors (see below), whose sum is σ = 381965436792. Its totient is φ = 84881208168.

The previous prime is 212203020383. The next prime is 212203020439. The reversal of 212203020430 is 34020302212.

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

It is a super-2 number, since 2×2122030204302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212203020398 and 212203020407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203020439) 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, 10610151012 + ... + 10610151031.

It is an arithmetic number, because the mean of its divisors is an integer number (47745679599).

Almost surely, 2212203020430 is an apocalyptic number.

212203020430 is a deficient number, since it is larger than the sum of its proper divisors (169762416362).

212203020430 is a wasteful number, since it uses less digits than its factorization.

212203020430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21220302050.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212203020430 its reverse (34020302212), we get a palindrome (246223322642).

The spelling of 212203020430 in words is "two hundred twelve billion, two hundred three million, twenty thousand, four hundred thirty".

Divisors: 1 2 5 10 21220302043 42440604086 106101510215 212203020430