Base | Representation |
---|---|
bin | 1011101001001111110101… |
… | …1101000001101101010110 |
3 | 1200022222102211200011001010 |
4 | 2322103331131001231112 |
5 | 3134232031211140102 |
6 | 43121422315513050 |
7 | 2461001406030126 |
oct | 272237535015526 |
9 | 50288384604033 |
10 | 12803254786902 |
11 | 4096914602128 |
12 | 1529434158786 |
13 | 71b459a7ac68 |
14 | 323976310c86 |
15 | 173096d33d6c |
hex | ba4fd741b56 |
12803254786902 has 8 divisors (see below), whose sum is σ = 25606509573816. Its totient is φ = 4267751595632.
The previous prime is 12803254786901. The next prime is 12803254786913. The reversal of 12803254786902 is 20968745230821.
It is a sphenic number, since it is the product of 3 distinct primes.
12803254786902 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12803254786901) 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, 1066937898903 + ... + 1066937898914.
It is an arithmetic number, because the mean of its divisors is an integer number (3200813696727).
It is a 1-persistent number, because it is pandigital, but 2⋅12803254786902 = 25606509573804 is not.
Almost surely, 212803254786902 is an apocalyptic number.
12803254786902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12803254786902 is a wasteful number, since it uses less digits than its factorization.
12803254786902 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2133875797822.
The product of its (nonzero) digits is 11612160, while the sum is 57.
The spelling of 12803254786902 in words is "twelve trillion, eight hundred three billion, two hundred fifty-four million, seven hundred eighty-six thousand, nine hundred two".
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