Base | Representation |
---|---|
bin | 1100101110111110110001… |
… | …00110010111000110011000 |
3 | 10200011000102011110122211111 |
4 | 12113133120212113012120 |
5 | 12132243133042043433 |
6 | 135320103245310104 |
7 | 5620054456323010 |
oct | 627373046270630 |
9 | 120130364418744 |
10 | 28002525737368 |
11 | 8a16893833126 |
12 | 31830b1265334 |
13 | 128181c249040 |
14 | 6cb48812ac40 |
15 | 33862390cdcd |
hex | 1977d8997198 |
28002525737368 has 1024 divisors, whose sum is σ = 75107450880000. Its totient is φ = 9476414373888.
The previous prime is 28002525737317. The next prime is 28002525737377. The reversal of 28002525737368 is 86373752520082.
It is a super-2 number, since 2×280025257373682 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 62366426808 + ... + 62366427256.
It is an arithmetic number, because the mean of its divisors is an integer number (73347120000).
Almost surely, 228002525737368 is an apocalyptic number.
28002525737368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 28002525737368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37553725440000).
28002525737368 is an abundant number, since it is smaller than the sum of its proper divisors (47104925142632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28002525737368 is a wasteful number, since it uses less digits than its factorization.
28002525737368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 704 (or 700 counting only the distinct ones).
The product of its (nonzero) digits is 33868800, while the sum is 58.
The spelling of 28002525737368 in words is "twenty-eight trillion, two billion, five hundred twenty-five million, seven hundred thirty-seven thousand, three hundred sixty-eight".
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