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212000144331 = 3457592326107
BaseRepresentation
bin1100010101110000110…
…0010111101111001011
3202021012122200011211110
43011130030113233023
511433134014104311
6241220322501403
721213363331353
oct3053414275713
9667178604743
10212000144331
11819aa611258
1235106504863
1316cb75045b1
14a391b39b63
1557abc228a6
hex315c317bcb

212000144331 has 16 divisors (see below), whose sum is σ = 283344066944. Its totient is φ = 140994955584.

The previous prime is 212000144329. The next prime is 212000144401. The reversal of 212000144331 is 133441000212.

It is not a de Polignac number, because 212000144331 - 21 = 212000144329 is a prime.

It is a super-2 number, since 2×2120001443312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212000144298 and 212000144307.

It is not an unprimeable number, because it can be changed into a prime (212000144231) 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, 8107380 + ... + 8133486.

It is an arithmetic number, because the mean of its divisors is an integer number (17709004184).

Almost surely, 2212000144331 is an apocalyptic number.

212000144331 is a deficient number, since it is larger than the sum of its proper divisors (71343922613).

212000144331 is a wasteful number, since it uses less digits than its factorization.

212000144331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32490.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212000144331 its reverse (133441000212), we get a palindrome (345441144543).

The spelling of 212000144331 in words is "two hundred twelve billion, one hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 3 457 1371 5923 17769 26107 78321 2706811 8120433 11930899 35792697 154631761 463895283 70666714777 212000144331