Base | Representation |
---|---|
bin | 11010010111000001… |
… | …101101111000001110 |
3 | 2201001112020112111210 |
4 | 122113001231320032 |
5 | 430431211112304 |
6 | 21000312355250 |
7 | 2021250513324 |
oct | 322701557016 |
9 | 81045215453 |
10 | 28303613454 |
11 | 11004719786 |
12 | 559a9a5b26 |
13 | 2890ab248c |
14 | 1527023d14 |
15 | b09c3ac89 |
hex | 69706de0e |
28303613454 has 16 divisors (see below), whose sum is σ = 59586554880. Its totient is φ = 8937983160.
The previous prime is 28303613417. The next prime is 28303613461. The reversal of 28303613454 is 45431630382.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124138542 + ... + 124138769.
It is an arithmetic number, because the mean of its divisors is an integer number (3724159680).
Almost surely, 228303613454 is an apocalyptic number.
28303613454 is an abundant number, since it is smaller than the sum of its proper divisors (31282941426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28303613454 is a wasteful number, since it uses less digits than its factorization.
28303613454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248277335.
The product of its (nonzero) digits is 207360, while the sum is 39.
The spelling of 28303613454 in words is "twenty-eight billion, three hundred three million, six hundred thirteen thousand, four hundred fifty-four".
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