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12386310552 = 23327211319169
BaseRepresentation
bin10111000100100100…
…00001100110011000
31011222020000202210200
423202102001212120
5200331343414202
65405025342200
7615641621400
oct134222014630
934866022720
1012386310552
1152868274a0
122498197960
1312251c2155
1485705b800
154c762ce1c
hex2e2481998

12386310552 has 144 divisors (see below), whose sum is σ = 42570894600. Its totient is φ = 3217213440.

The previous prime is 12386310529. The next prime is 12386310613. The reversal of 12386310552 is 25501368321.

12386310552 is a `hidden beast` number, since 1 + 2 + 38 + 63 + 10 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120777 + ... + 198392.

Almost surely, 212386310552 is an apocalyptic number.

12386310552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12386310552 is an abundant number, since it is smaller than the sum of its proper divisors (30184584048).

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

12386310552 is a wasteful number, since it uses less digits than its factorization.

12386310552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319206 (or 319192 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 12386310552 its reverse (25501368321), we get a palindrome (37887678873).

The spelling of 12386310552 in words is "twelve billion, three hundred eighty-six million, three hundred ten thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 28 33 36 42 44 49 56 63 66 72 77 84 88 98 99 126 132 147 154 168 196 198 231 252 264 294 308 392 396 441 462 504 539 588 616 693 792 882 924 1078 1176 1386 1617 1764 1848 2156 2772 3234 3528 4312 4851 5544 6468 9702 12936 19404 38808 319169 638338 957507 1276676 1915014 2234183 2553352 2872521 3510859 3830028 4468366 5745042 6702549 7021718 7660056 8936732 10532577 11490084 13405098 14043436 15639281 17873464 20107647 21065154 22980168 24576013 26810196 28086872 31278562 31597731 40215294 42130308 46917843 49152026 53620392 62557124 63195462 73728039 80430588 84260616 93835686 98304052 125114248 126390924 140753529 147456078 160861176 172032091 187671372 196608104 221184117 252781848 281507058 294912156 344064182 375342744 442368234 516096273 563014116 589824312 688128364 884736468 1032192546 1126028232 1376256728 1548288819 1769472936 2064385092 3096577638 4128770184 6193155276 12386310552