Base | Representation |
---|---|
bin | 11010100111000011… |
… | …010111100011001100 |
3 | 2201202021011110110110 |
4 | 122213003113203030 |
5 | 432004023403430 |
6 | 21043115240020 |
7 | 2031024042015 |
oct | 324703274314 |
9 | 81667143413 |
10 | 28572481740 |
11 | 1113246a480 |
12 | 5654a49010 |
13 | 290470013a |
14 | 1550a1200c |
15 | b2364a7b0 |
hex | 6a70d78cc |
28572481740 has 384 divisors, whose sum is σ = 95033917440. Its totient is φ = 6336921600.
The previous prime is 28572481727. The next prime is 28572481753. The reversal of 28572481740 is 4718427582.
It is an interprime number because it is at equal distance from previous prime (28572481727) and next prime (28572481753).
It is a super-3 number, since 3×285724817403 (a number of 32 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 28572481740.
It is an unprimeable number.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 74601589 + ... + 74601971.
It is an arithmetic number, because the mean of its divisors is an integer number (247484160).
Almost surely, 228572481740 is an apocalyptic number.
28572481740 is a gapful number since it is divisible by the number (20) 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 28572481740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47516958720).
28572481740 is an abundant number, since it is smaller than the sum of its proper divisors (66461435700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28572481740 is a wasteful number, since it uses less digits than its factorization.
28572481740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 593 (or 591 counting only the distinct ones).
The product of its (nonzero) digits is 1003520, while the sum is 48.
The spelling of 28572481740 in words is "twenty-eight billion, five hundred seventy-two million, four hundred eighty-one thousand, seven hundred forty".
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