Base | Representation |
---|---|
bin | 1011101011111000011111… |
… | …0011110010000100011000 |
3 | 1200111022021211211211211120 |
4 | 2322332013303302010120 |
5 | 3141002240033242140 |
6 | 43154310424125240 |
7 | 2464163305211646 |
oct | 272760763620430 |
9 | 50438254754746 |
10 | 12848525680920 |
11 | 4104035871926 |
12 | 1536169306820 |
13 | 7227c2b38b07 |
14 | 325c2c938196 |
15 | 1743464321d0 |
hex | baf87cf2118 |
12848525680920 has 64 divisors (see below), whose sum is σ = 38650605995520. Its totient is φ = 3416937608064.
The previous prime is 12848525680897. The next prime is 12848525680931. The reversal of 12848525680920 is 2908652584821.
It is a super-2 number, since 2×128485256809202 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145829322 + ... + 145917401.
It is an arithmetic number, because the mean of its divisors is an integer number (603915718680).
Almost surely, 212848525680920 is an apocalyptic number.
12848525680920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12848525680920 is an abundant number, since it is smaller than the sum of its proper divisors (25802080314600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12848525680920 is a wasteful number, since it uses less digits than its factorization.
12848525680920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 291747104 (or 291747100 counting only the distinct ones).
The product of its (nonzero) digits is 22118400, while the sum is 60.
The spelling of 12848525680920 in words is "twelve trillion, eight hundred forty-eight billion, five hundred twenty-five million, six hundred eighty thousand, nine hundred twenty".
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