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212130202332 = 223171039853933
BaseRepresentation
bin1100010110001111110…
…0100000001011011100
3202021112201101210212110
43011203330200023130
511433420312433312
6241241250234020
721216532653246
oct3054374401334
9667481353773
10212130202332
1181a66a72804
1235141b85910
13170084405a9
14a3a5113096
1557b836343c
hex3163f202dc

212130202332 has 24 divisors (see below), whose sum is σ = 524086382736. Its totient is φ = 66550651648.

The previous prime is 212130202313. The next prime is 212130202337. The reversal of 212130202332 is 233202031212.

It is a happy number.

It is a super-3 number, since 3×2121302023323 (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212130202299 and 212130202308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212130202337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519926763 + ... + 519927170.

It is an arithmetic number, because the mean of its divisors is an integer number (21836932614).

Almost surely, 2212130202332 is an apocalyptic number.

It is an amenable number.

212130202332 is an abundant number, since it is smaller than the sum of its proper divisors (311956180404).

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

212130202332 is a wasteful number, since it uses less digits than its factorization.

212130202332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039853957 (or 1039853955 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212130202332 its reverse (233202031212), we get a palindrome (445332233544).

The spelling of 212130202332 in words is "two hundred twelve billion, one hundred thirty million, two hundred two thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1039853933 2079707866 3119561799 4159415732 6239123598 12478247196 17677516861 35355033722 53032550583 70710067444 106065101166 212130202332