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212030100231 = 3338932085289
BaseRepresentation
bin1100010101110111111…
…0101001001100000111
3202021021202001002121020
43011131332221030013
511433214201201411
6241223312522223
721214206054345
oct3053576511407
9667252032536
10212030100231
1181a155115a4
1235114550373
1316cc0792491
14a395ad6995
1557ae68d606
hex315dfa9307

212030100231 has 8 divisors (see below), whose sum is σ = 282715277040. Its totient is φ = 141349161792.

The previous prime is 212030100211. The next prime is 212030100241. The reversal of 212030100231 is 132001030212.

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

It is not a de Polignac number, because 212030100231 - 27 = 212030100103 is a prime.

It is a super-2 number, since 2×2120301002312 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212030100231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030100211) 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, 940966 + ... + 1144323.

It is an arithmetic number, because the mean of its divisors is an integer number (35339409630).

Almost surely, 2212030100231 is an apocalyptic number.

212030100231 is a deficient number, since it is larger than the sum of its proper divisors (70685176809).

212030100231 is a wasteful number, since it uses less digits than its factorization.

212030100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119185.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212030100231 its reverse (132001030212), we get a palindrome (344031130443).

The spelling of 212030100231 in words is "two hundred twelve billion, thirty million, one hundred thousand, two hundred thirty-one".

Divisors: 1 3 33893 101679 2085289 6255867 70676700077 212030100231