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12386830977048 = 23311319461159977
BaseRepresentation
bin1011010001000000100010…
…1010010000100000011000
31121212011120112210210102110
42310100020222100200120
53110421212212231143
642202233120232320
72415630135036423
oct264201052204030
947764515723373
1012386830977048
113a46253187360
12148079876b6a0
136bb0c4929848
1430b750bb89ba
1516732362b533
hexb4408a90818

12386830977048 has 128 divisors (see below), whose sum is σ = 34875920701440. Its totient is φ = 3632095104000.

The previous prime is 12386830977011. The next prime is 12386830977127. The reversal of 12386830977048 is 84077903868321.

It is a happy number.

It is a Cunningham number, because it is equal to 35194932-1.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a self number, because there is not a number n which added to its sum of digits gives 12386830977048.

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 31 ways as a sum of consecutive naturals, for example, 77348836 + ... + 77508812.

It is an arithmetic number, because the mean of its divisors is an integer number (272468130480).

Almost surely, 212386830977048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12386830977048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17437960350720).

12386830977048 is an abundant number, since it is smaller than the sum of its proper divisors (22489089724392).

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

12386830977048 is a wasteful number, since it uses less digits than its factorization.

12386830977048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169489 (or 169485 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 66.

The spelling of 12386830977048 in words is "twelve trillion, three hundred eighty-six billion, eight hundred thirty million, nine hundred seventy-seven thousand, forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 31 33 44 62 66 88 93 124 132 186 248 264 341 372 682 744 1023 1364 2046 2728 4092 8184 9461 18922 28383 37844 56766 75688 104071 113532 159977 208142 227064 293291 312213 319954 416284 479931 586582 624426 639908 832568 879873 959862 1173164 1248852 1279816 1759746 1759747 1919724 2346328 2497704 3226201 3519492 3519494 3839448 4959287 5279241 6452402 7038984 7038988 9678603 9918574 10558482 12904804 14077976 14877861 19357206 19837148 21116964 25809608 29755722 38714412 39674296 42233928 54552157 59511444 77428824 109104314 119022888 163656471 218208628 327312942 436417256 654625884 1309251768 1513542397 3027084794 4540627191 6054169588 9081254382 12108339176 16648966367 18162508764 33297932734 36325017528 46919814307 49946899101 66595865468 93839628614 99893798202 133191730936 140759442921 187679257228 199787596404 281518885842 375358514456 399575192808 516117957377 563037771684 1032235914754 1126075543368 1548353872131 2064471829508 3096707744262 4128943659016 6193415488524 12386830977048