Base | Representation |
---|---|
bin | 1011101000010110111001… |
… | …0100001000110001101111 |
3 | 1200021111222111122212220201 |
4 | 2322011232110020301233 |
5 | 3134004224403202113 |
6 | 43110413411454331 |
7 | 2456620531011544 |
oct | 272055624106157 |
9 | 50244874585821 |
10 | 12787968412783 |
11 | 409038a872a93 |
12 | 15264888b73a7 |
13 | 719b91ac5185 |
14 | 322d26062bcb |
15 | 17299ed02cdd |
hex | ba16e508c6f |
12787968412783 has 8 divisors (see below), whose sum is σ = 13279232973600. Its totient is φ = 12300057194208.
The previous prime is 12787968412777. The next prime is 12787968412787. The reversal of 12787968412783 is 38721486978721.
12787968412783 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12787968412783 - 213 = 12787968404591 is a prime.
It is a super-2 number, since 2×127879684127832 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12787968412787) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 838327788 + ... + 838343041.
It is an arithmetic number, because the mean of its divisors is an integer number (1659904121700).
Almost surely, 212787968412783 is an apocalyptic number.
12787968412783 is a deficient number, since it is larger than the sum of its proper divisors (491264560817).
12787968412783 is a wasteful number, since it uses less digits than its factorization.
12787968412783 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1676671121.
The product of its digits is 455196672, while the sum is 73.
The spelling of 12787968412783 in words is "twelve trillion, seven hundred eighty-seven billion, nine hundred sixty-eight million, four hundred twelve thousand, seven hundred eighty-three".
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