Base | Representation |
---|---|
bin | 1100101110111110110001… |
… | …11000101000000000010111 |
3 | 10200011000102111110220111212 |
4 | 12113133120320220000113 |
5 | 12132243140303301312 |
6 | 135320103540052035 |
7 | 5620054545113510 |
oct | 627373070500027 |
9 | 120130374426455 |
10 | 28002530525207 |
11 | 8a16896503317 |
12 | 31830b299401b |
13 | 1281820234394 |
14 | 6cb488a15a07 |
15 | 338624056822 |
hex | 1977d8e28017 |
28002530525207 has 8 divisors (see below), whose sum is σ = 33035243384832. Its totient is φ = 23227905504600.
The previous prime is 28002530525183. The next prime is 28002530525239. The reversal of 28002530525207 is 70252503520082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28002530525207 - 220 = 28002529476631 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28002530525707) 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, 64521959519 + ... + 64521959952.
It is an arithmetic number, because the mean of its divisors is an integer number (4129405423104).
Almost surely, 228002530525207 is an apocalyptic number.
28002530525207 is a deficient number, since it is larger than the sum of its proper divisors (5032712859625).
28002530525207 is a wasteful number, since it uses less digits than its factorization.
28002530525207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129043919509.
The product of its (nonzero) digits is 336000, while the sum is 41.
The spelling of 28002530525207 in words is "twenty-eight trillion, two billion, five hundred thirty million, five hundred twenty-five thousand, two hundred seven".
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