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212120232233 = 7136779413659
BaseRepresentation
bin1100010110001101011…
…0011110000100101001
3202021112000122021110112
43011203112132010221
511433410234412413
6241240252424105
721216352140020
oct3054326360451
9667460567415
10212120232233
1181a61383058
123513a778035
131700635c520
14a3a3a798b7
1557b75442a8
hex316359e129

212120232233 has 32 divisors (see below), whose sum is σ = 261806065920. Its totient is φ = 167359645440.

The previous prime is 212120232229. The next prime is 212120232283. The reversal of 212120232233 is 332232021212.

It is not a de Polignac number, because 212120232233 - 22 = 212120232229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212120232199 and 212120232208.

It is not an unprimeable number, because it can be changed into a prime (212120232283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57970358 + ... + 57974016.

It is an arithmetic number, because the mean of its divisors is an integer number (8181439560).

Almost surely, 2212120232233 is an apocalyptic number.

It is an amenable number.

212120232233 is a deficient number, since it is larger than the sum of its proper divisors (49685833687).

212120232233 is a wasteful number, since it uses less digits than its factorization.

212120232233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212120232233 its reverse (332232021212), we get a palindrome (544352253445).

The spelling of 212120232233 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirty-two thousand, two hundred thirty-three".

Divisors: 1 7 13 91 677 941 3659 4739 6587 8801 12233 25613 47567 61607 85631 332969 637057 2477143 3443119 4459399 8281741 17340001 24101833 32202859 44760547 57972187 225420013 313323829 2330991563 16316940941 30302890319 212120232233