Base | Representation |
---|---|
bin | 11101001010111101101000… |
… | …110101111010000110011101 |
3 | 121211021001021111110221010221 |
4 | 131022331220311322012131 |
5 | 113304003144111422033 |
6 | 1132510411443401341 |
7 | 36011063332461406 |
oct | 3512755065720635 |
9 | 554231244427127 |
10 | 128296727060893 |
11 | 37974377812096 |
12 | 12480922383251 |
13 | 5678438a53671 |
14 | 2397847cba9ad |
15 | ec745b77012d |
hex | 74af68d7a19d |
128296727060893 has 4 divisors (see below), whose sum is σ = 128297189537440. Its totient is φ = 128296264584348.
The previous prime is 128296727060857. The next prime is 128296727060923. The reversal of 128296727060893 is 398060727692821.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 128296727060893 - 217 = 128296726929821 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128296727060393) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230821905 + ... + 231377062.
It is an arithmetic number, because the mean of its divisors is an integer number (32074297384360).
Almost surely, 2128296727060893 is an apocalyptic number.
It is an amenable number.
128296727060893 is a deficient number, since it is larger than the sum of its proper divisors (462476547).
128296727060893 is an equidigital number, since it uses as much as digits as its factorization.
128296727060893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 462476546.
The product of its (nonzero) digits is 219469824, while the sum is 70.
The spelling of 128296727060893 in words is "one hundred twenty-eight trillion, two hundred ninety-six billion, seven hundred twenty-seven million, sixty thousand, eight hundred ninety-three".
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