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212033320230 = 235231392279739
BaseRepresentation
bin1100010101111000101…
…0111011010100100110
3202021021222002200121110
43011132022323110212
511433221012221410
6241223505525450
721214245325164
oct3053612732446
9667258080543
10212033320230
1181a17310856
1235115643886
1316cc134bcc4
14a3962d4234
1557aeac7720
hex315e2bb526

212033320230 has 128 divisors (see below), whose sum is σ = 537236582400. Its totient is φ = 53452738944.

The previous prime is 212033320217. The next prime is 212033320231. The reversal of 212033320230 is 32023330212.

It is a junction number, because it is equal to n+sod(n) for n = 212033320197 and 212033320206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212033320231) 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, 21766701 + ... + 21776439.

It is an arithmetic number, because the mean of its divisors is an integer number (4197160800).

Almost surely, 2212033320230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212033320230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268618291200).

212033320230 is an abundant number, since it is smaller than the sum of its proper divisors (325203262170).

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

212033320230 is a wasteful number, since it uses less digits than its factorization.

212033320230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 212033320230 its reverse (32023330212), we get a palindrome (244056650442).

It can be divided in two parts, 21203 and 3320230, that added together give a palindrome (3341433).

The spelling of 212033320230 in words is "two hundred twelve billion, thirty-three million, three hundred twenty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 139 227 230 278 345 417 454 681 690 695 834 1135 1362 1390 2085 2270 3197 3405 4170 5221 6394 6810 9591 9739 10442 15663 15985 19182 19478 26105 29217 31326 31553 31970 47955 48695 52210 58434 63106 78315 94659 95910 97390 146085 156630 157765 189318 223997 292170 315530 447994 473295 671991 725719 946590 1119985 1343982 1353721 1451438 2177157 2210753 2239970 2707442 3359955 3628595 4061163 4354314 4421506 6632259 6719910 6768605 7257190 8122326 10885785 11053765 13264518 13537210 20305815 21771570 22107530 31135583 33161295 40611630 50847319 62271166 66322590 93406749 101694638 152541957 155677915 186813498 254236595 305083914 307294667 311355830 467033745 508473190 614589334 762709785 921884001 934067490 1525419570 1536473335 1843768002 3072946670 4609420005 7067777341 9218840010 14135554682 21203332023 35338886705 42406664046 70677773410 106016660115 212033320230