Search a number
-
+
211201313202 = 2321167734672
BaseRepresentation
bin1100010010110010010…
…1000100100110110010
3202012010222112100112100
43010230211010212302
511430020014010302
6241005145041230
721154523353545
oct3045445044662
9665128470470
10211201313202
118162a6a9640
1234b22a86216
1316bbab70759
14a3179d685c
155761a2bd1c
hex312c9449b2

211201313202 has 144 divisors (see below), whose sum is σ = 514696489632. Its totient is φ = 62048384640.

The previous prime is 211201313177. The next prime is 211201313209. The reversal of 211201313202 is 202313102112.

211201313202 is a `hidden beast` number, since 211 + 2 + 0 + 131 + 320 + 2 = 666.

211201313202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (211201313209) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 452250973 + ... + 452251439.

It is an arithmetic number, because the mean of its divisors is an integer number (3574281178).

Almost surely, 2211201313202 is an apocalyptic number.

211201313202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 211201313202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257348244816).

211201313202 is an abundant number, since it is smaller than the sum of its proper divisors (303495176430).

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

211201313202 is a wasteful number, since it uses less digits than its factorization.

211201313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 211201313202 its reverse (202313102112), we get a palindrome (413514415314).

The spelling of 211201313202 in words is "two hundred eleven billion, two hundred one million, three hundred thirteen thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 33 66 67 73 99 134 146 198 201 219 402 438 467 603 657 737 803 934 1206 1314 1401 1474 1606 2211 2409 2802 4203 4422 4818 4891 5137 6633 7227 8406 9782 10274 13266 14454 14673 15411 29346 30822 31289 34091 44019 46233 53801 62578 68182 88038 92466 93867 102273 107602 161403 187734 204546 218089 281601 306819 322806 344179 375001 436178 484209 563202 613638 654267 688358 750002 968418 1032537 1125003 1308534 1962801 2065074 2250006 2284097 2398979 3097611 3375009 3925602 4568194 4797958 6195222 6750018 6852291 7196937 13704582 14393874 14611963 15920497 20556873 21590811 25125067 29223926 31840994 41113746 43181622 43835889 47761491 50250134 75375201 87671778 95522982 131507667 143284473 150750402 160731593 175125467 226125603 263015334 286568946 321463186 350250934 452251206 482194779 525376401 964389558 1050752802 1066673299 1446584337 1576129203 2133346598 2893168674 3152258406 3200019897 6400039794 9600059691 11733406289 19200119382 23466812578 35200218867 70400437734 105600656601 211201313202