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213112122213233 = 19139337239447249
BaseRepresentation
bin110000011101001100001000…
…010101111000001101110001
31000221120022122012212011111002
4300131030020111320031301
5210413112111241310413
62033130205110131345
762613562025221235
oct6035141025701561
91027508565764432
10213112122213233
11619a4386193391
121ba9a682650b55
1391bb50500b969
143a8a978a1c5c5
151998806cc2958
hexc1d308578371

213112122213233 has 16 divisors (see below), whose sum is σ = 226612877400000. Its totient is φ = 199848419914752.

The previous prime is 213112122213101. The next prime is 213112122213251. The reversal of 213112122213233 is 332312221211312.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-213112122213233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213112122213196 and 213112122213205.

It is not an unprimeable number, because it can be changed into a prime (213112122213433) 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, 118833608 + ... + 120613641.

It is an arithmetic number, because the mean of its divisors is an integer number (14163304837500).

Almost surely, 2213112122213233 is an apocalyptic number.

It is an amenable number.

213112122213233 is a deficient number, since it is larger than the sum of its proper divisors (13500755186767).

213112122213233 is a wasteful number, since it uses less digits than its factorization.

213112122213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239447744.

The product of its digits is 5184, while the sum is 29.

Adding to 213112122213233 its reverse (332312221211312), we get a palindrome (545424343424545).

The spelling of 213112122213233 in words is "two hundred thirteen trillion, one hundred twelve billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred thirty-three".

Divisors: 1 19 139 337 2641 6403 46843 890017 239447249 4549497731 33283167611 80693722913 632380184609 1533180735347 11216427484907 213112122213233