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212031021202 = 272111341369023
BaseRepresentation
bin1100010101111000001…
…0001010000010010010
3202021021210202212221021
43011132002022002102
511433214420134302
6241223344350054
721214216641400
oct3053602120222
9667253685837
10212031021202
1181a15a90530
123511491532a
1316cc0a25730
14a395c96470
1557ae7c1437
hex315e08a092

212031021202 has 96 divisors (see below), whose sum is σ = 445255501824. Its totient is φ = 74394835200.

The previous prime is 212031021199. The next prime is 212031021313. The reversal of 212031021202 is 202120130212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 390063 + ... + 759085.

It is an arithmetic number, because the mean of its divisors is an integer number (4638078144).

Almost surely, 2212031021202 is an apocalyptic number.

212031021202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212031021202 is an abundant number, since it is smaller than the sum of its proper divisors (233224480622).

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

212031021202 is a wasteful number, since it uses less digits than its factorization.

212031021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369104 (or 369097 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212031021202 its reverse (202120130212), we get a palindrome (414151151414).

The spelling of 212031021202 in words is "two hundred twelve billion, thirty-one million, twenty-one thousand, two hundred two".

Divisors: 1 2 7 11 13 14 22 26 41 49 77 82 91 98 143 154 182 286 287 451 533 539 574 637 902 1001 1066 1078 1274 2002 2009 3157 3731 4018 5863 6314 7007 7462 11726 14014 22099 26117 41041 44198 52234 82082 287287 369023 574574 738046 2583161 4059253 4797299 5166322 8118506 9594598 15129943 18082127 28414771 30259886 33581093 36164254 52770289 56829542 67162186 105540578 105909601 166429373 196689259 198903397 211819202 235067651 332858746 369392023 393378518 397806794 470135302 738784046 741367207 1165005611 1376824813 1482734414 2163581849 2330011222 2585744161 2753649626 4327163698 5171488322 8155039277 9637773691 15145072943 16310078554 19275547382 30290145886 106015510601 212031021202