Base | Representation |
---|---|
bin | 10011100100111001001… |
… | …11111011110111000000 |
3 | 2101022012121202010110020 |
4 | 21302130213323313000 |
5 | 42010033002101142 |
6 | 1233001401333440 |
7 | 66411465604542 |
oct | 11623447736700 |
9 | 2338177663406 |
10 | 672642612672 |
11 | 23a2a2245688 |
12 | aa442797280 |
13 | 4b5787178a4 |
14 | 247adc31692 |
15 | 1276c479cec |
hex | 9c9c9fbdc0 |
672642612672 has 56 divisors (see below), whose sum is σ = 1780156358400. Its totient is φ = 224156741376.
The previous prime is 672642612671. The next prime is 672642612731. The reversal of 672642612672 is 276216246276.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (672642612671) 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, 305479 + ... + 1199417.
It is an arithmetic number, because the mean of its divisors is an integer number (31788506400).
Almost surely, 2672642612672 is an apocalyptic number.
It is an amenable number.
672642612672 is an abundant number, since it is smaller than the sum of its proper divisors (1107513745728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
672642612672 is a wasteful number, since it uses less digits than its factorization.
672642612672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 897873 (or 897863 counting only the distinct ones).
The product of its digits is 4064256, while the sum is 51.
The spelling of 672642612672 in words is "six hundred seventy-two billion, six hundred forty-two million, six hundred twelve thousand, six hundred seventy-two".
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