Base | Representation |
---|---|
bin | 111011100011011011… |
… | …001001010010111110 |
3 | 20010001102221221112210 |
4 | 323203123021102332 |
5 | 2021424420224032 |
6 | 45213113041250 |
7 | 4422422156400 |
oct | 734333112276 |
9 | 203042857483 |
10 | 63945086142 |
11 | 25134374733 |
12 | 104870b6226 |
13 | 6050b929a2 |
14 | 31487d0b70 |
15 | 19e3c7c2cc |
hex | ee36c94be |
63945086142 has 24 divisors (see below), whose sum is σ = 148770201096. Its totient is φ = 18270024528.
The previous prime is 63945086141. The next prime is 63945086147. The reversal of 63945086142 is 24168054936.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 63945086091 and 63945086100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63945086141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108749853 + ... + 108750440.
It is an arithmetic number, because the mean of its divisors is an integer number (6198758379).
Almost surely, 263945086142 is an apocalyptic number.
63945086142 is an abundant number, since it is smaller than the sum of its proper divisors (84825114954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63945086142 is a wasteful number, since it uses less digits than its factorization.
63945086142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217500312 (or 217500305 counting only the distinct ones).
The product of its (nonzero) digits is 1244160, while the sum is 48.
The spelling of 63945086142 in words is "sixty-three billion, nine hundred forty-five million, eighty-six thousand, one hundred forty-two".
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