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212303132030 = 251131594792203
BaseRepresentation
bin1100010110111001000…
…0001011010101111110
3202021222202210112211002
43011232100023111332
511434244100211110
6241310344530302
721224032563413
oct3055620132576
9667882715732
10212303132030
1182045646410
123518ba80992
131703520a262
14a3c008a10a
1557c8621aa5
hex316e40b57e

212303132030 has 128 divisors (see below), whose sum is σ = 438740582400. Its totient is φ = 73257897600.

The previous prime is 212303132029. The next prime is 212303132039. The reversal of 212303132030 is 30231303212.

It is a super-2 number, since 2×2123031320302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212303131993 and 212303132011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212303132039) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96368909 + ... + 96371111.

It is an arithmetic number, because the mean of its divisors is an integer number (3427660800).

Almost surely, 2212303132030 is an apocalyptic number.

212303132030 is an abundant number, since it is smaller than the sum of its proper divisors (226437450370).

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

212303132030 is a wasteful number, since it uses less digits than its factorization.

212303132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212303132030 its reverse (30231303212), we get a palindrome (242534435242).

The spelling of 212303132030 in words is "two hundred twelve billion, three hundred three million, one hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 11 22 31 55 59 62 110 118 155 295 310 341 479 590 649 682 958 1298 1705 1829 2203 2395 3245 3410 3658 4406 4790 5269 6490 9145 10538 11015 14849 18290 20119 22030 24233 26345 28261 29698 40238 48466 52690 56522 68293 74245 100595 121165 129977 136586 141305 148490 163339 201190 242330 259954 282610 310871 326678 341465 621742 649885 682930 751223 816695 876091 1055237 1299770 1429747 1502446 1554355 1633390 1752182 2110474 2859494 3108710 3756115 4029287 4380455 5276185 7148735 7512230 8058574 8760910 9637001 10552370 11607607 14297470 19274002 20146435 23215214 32712347 40292870 44322157 48185005 58038035 62258983 65424694 88644314 96370010 116076070 124517966 163561735 221610785 311294915 327123470 359835817 443221570 622589830 684848813 719671634 1369697626 1799179085 1930028473 3424244065 3598358170 3860056946 6848488130 9650142365 19300284730 21230313203 42460626406 106151566015 212303132030