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212311222030 = 2521231122203
BaseRepresentation
bin1100010110111010111…
…1000010011100001110
3202022000100000120012201
43011232233002130032
511434303133101110
6241311234152114
721224161416415
oct3055657023416
9668010016181
10212311222030
118204a171566
123519272263a
1317036ab063b
14a3c119447c
1557c91bdb3a
hex316ebc270e

212311222030 has 8 divisors (see below), whose sum is σ = 382160199672. Its totient is φ = 84924488808.

The previous prime is 212311222027. The next prime is 212311222043. The reversal of 212311222030 is 30222113212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212311221989 and 212311222007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10615561092 + ... + 10615561111.

It is an arithmetic number, because the mean of its divisors is an integer number (47770024959).

Almost surely, 2212311222030 is an apocalyptic number.

212311222030 is a deficient number, since it is larger than the sum of its proper divisors (169848977642).

212311222030 is a wasteful number, since it uses less digits than its factorization.

212311222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21231122210.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212311222030 its reverse (30222113212), we get a palindrome (242533335242).

The spelling of 212311222030 in words is "two hundred twelve billion, three hundred eleven million, two hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 21231122203 42462244406 106155611015 212311222030