Base | Representation |
---|---|
bin | 111011000011011001… |
… | …000110101001000111 |
3 | 20001122222201220000020 |
4 | 323003121012221013 |
5 | 2014324331230241 |
6 | 45043514350223 |
7 | 4403205250011 |
oct | 730331065107 |
9 | 201588656006 |
10 | 63407680071 |
11 | 24988a8958a |
12 | 1035712b373 |
13 | 5c96741928 |
14 | 30d729d1b1 |
15 | 19b19c5b66 |
hex | ec3646a47 |
63407680071 has 16 divisors (see below), whose sum is σ = 86862440448. Its totient is φ = 41113245600.
The previous prime is 63407680051. The next prime is 63407680117. The reversal of 63407680071 is 17008670436.
63407680071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 63407680071 - 214 = 63407663687 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63407680051) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177366 + ... + 397836.
It is an arithmetic number, because the mean of its divisors is an integer number (5428902528).
Almost surely, 263407680071 is an apocalyptic number.
63407680071 is a deficient number, since it is larger than the sum of its proper divisors (23454760377).
63407680071 is a wasteful number, since it uses less digits than its factorization.
63407680071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 223102.
The product of its (nonzero) digits is 169344, while the sum is 42.
The spelling of 63407680071 in words is "sixty-three billion, four hundred seven million, six hundred eighty thousand, seventy-one".
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