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12748021170348 = 2239293617316153
BaseRepresentation
bin1011100110000010000101…
…0001100000000010101100
31200010200212111212201012010
42321200201101200002230
53132330421404422343
643040205435441220
72454004564032102
oct271404121400254
950120774781163
1012748021170348
114075450679542
12151a79a5b6210
13716196955209
143210168a9c72
15171912c8cd33
hexb98214600ac

12748021170348 has 48 divisors (see below), whose sum is σ = 29785728278880. Its totient is φ = 4243579305984.

The previous prime is 12748021170347. The next prime is 12748021170383. The reversal of 12748021170348 is 84307112084721.

It is a super-2 number, since 2×127480211703482 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12748021170297 and 12748021170306.

It is not an unprimeable number, because it can be changed into a prime (12748021170341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40164240 + ... + 40480392.

It is an arithmetic number, because the mean of its divisors is an integer number (620536005810).

Almost surely, 212748021170348 is an apocalyptic number.

It is an amenable number.

12748021170348 is an abundant number, since it is smaller than the sum of its proper divisors (17037707108532).

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

12748021170348 is a wasteful number, since it uses less digits than its factorization.

12748021170348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320706 (or 320704 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 12748021170348 in words is "twelve trillion, seven hundred forty-eight billion, twenty-one million, one hundred seventy thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 929 1858 2787 3617 3716 5574 7234 10851 11148 14468 21702 43404 316153 632306 948459 1264612 1896918 3360193 3793836 6720386 10080579 13440772 20161158 40322316 293706137 587412274 881118411 1143525401 1174824548 1762236822 2287050802 3430576203 3524473644 4574101604 6861152406 13722304812 1062335097529 2124670195058 3187005292587 4249340390116 6374010585174 12748021170348