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213305133052 = 221137273179271
BaseRepresentation
bin1100011010100111111…
…0100000011111111100
3202101120121020110211001
43012221332200133330
511443322103224202
6241554021140044
721260620500244
oct3065176403774
9671517213731
10213305133052
118250a206630
123540b55a624
131716499817b
14a477198b24
15583659ad87
hex31a9fa07fc

213305133052 has 144 divisors (see below), whose sum is σ = 428199851520. Its totient is φ = 92182924800.

The previous prime is 213305133043. The next prime is 213305133091. The reversal of 213305133052 is 250331503312.

It is a self number, because there is not a number n which added to its sum of digits gives 213305133052.

It is a congruent 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, 787103677 + ... + 787103947.

It is an arithmetic number, because the mean of its divisors is an integer number (2973610080).

Almost surely, 2213305133052 is an apocalyptic number.

213305133052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213305133052 is an abundant number, since it is smaller than the sum of its proper divisors (214894718468).

213305133052 is a wasteful number, since it uses less digits than its factorization.

213305133052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 213305133052 its reverse (250331503312), we get a palindrome (463636636364).

The spelling of 213305133052 in words is "two hundred thirteen billion, three hundred five million, one hundred thirty-three thousand, fifty-two".

Divisors: 1 2 4 11 22 37 44 73 74 146 148 179 271 292 358 407 542 716 803 814 1084 1369 1606 1628 1969 2701 2738 2981 3212 3938 5402 5476 5962 6623 7876 10027 10804 11924 13067 13246 15059 19783 20054 26134 26492 29711 30118 39566 40108 48509 52268 59422 60236 72853 79132 97018 99937 110297 118844 143737 145706 194036 199874 217613 220594 245051 287474 291412 370999 399748 435226 441188 483479 490102 533599 574948 731971 741998 870452 966958 980204 1067198 1099307 1463942 1483996 1794833 1933916 2134396 2198614 2695561 2927884 3541157 3589666 4080989 4397228 5318269 5391122 7082314 7179332 8051681 8161978 10636538 10782244 14164628 16103362 16323956 17888723 19743163 21273076 27082927 32206724 35777446 38952727 39486326 54165854 66408821 71554892 77905454 78972652 108331708 131022809 132817642 155810908 196775953 262045618 265635284 297912197 393551906 524091236 595824394 730497031 787103812 1191648788 1441250899 1460994062 2882501798 2921988124 4847843933 5765003596 9695687866 19391375732 53326283263 106652566526 213305133052