Base | Representation |
---|---|
bin | 110001010101111000001… |
… | …0011100101101110001100 |
3 | 220000022012200221220220220 |
4 | 1202223300103211232030 |
5 | 1342101442423411142 |
6 | 22231212403111340 |
7 | 1266642434265102 |
oct | 142536023455614 |
9 | 26008180856826 |
10 | 6781490060172 |
11 | 2185017389413 |
12 | 91636b372550 |
13 | 3a2651553749 |
14 | 196323b05c72 |
15 | bb6072432ec |
hex | 62af04e5b8c |
6781490060172 has 12 divisors (see below), whose sum is σ = 15823476807096. Its totient is φ = 2260496686720.
The previous prime is 6781490060171. The next prime is 6781490060207. The reversal of 6781490060172 is 2710600941876.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (6781490060171) 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, 282562085829 + ... + 282562085852.
It is an arithmetic number, because the mean of its divisors is an integer number (1318623067258).
Almost surely, 26781490060172 is an apocalyptic number.
It is an amenable number.
6781490060172 is an abundant number, since it is smaller than the sum of its proper divisors (9041986746924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6781490060172 is a wasteful number, since it uses less digits than its factorization.
6781490060172 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565124171688 (or 565124171686 counting only the distinct ones).
The product of its (nonzero) digits is 1016064, while the sum is 51.
The spelling of 6781490060172 in words is "six trillion, seven hundred eighty-one billion, four hundred ninety million, sixty thousand, one hundred seventy-two".
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