Base | Representation |
---|---|
bin | 11101111011111101101… |
… | …10011110010110000000 |
3 | 10122100001200011001120200 |
4 | 32331332312132112000 |
5 | 113323111100034044 |
6 | 2104313300005200 |
7 | 134213203402245 |
oct | 16757666362600 |
9 | 3570050131520 |
10 | 1028625393024 |
11 | 3672682443a9 |
12 | 147430690800 |
13 | 75cca933218 |
14 | 37b000ad5cc |
15 | 1bb54864369 |
hex | ef7ed9e580 |
1028625393024 has 192 divisors, whose sum is σ = 3036656422800. Its totient is φ = 334034104320.
The previous prime is 1028625393013. The next prime is 1028625393079. The reversal of 1028625393024 is 4203935268201.
1028625393024 is a `hidden beast` number, since 1 + 0 + 2 + 8 + 62 + 539 + 30 + 24 = 666.
It is a tau number, because it is divible by the number of its divisors (192).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19242814 + ... + 19296194.
Almost surely, 21028625393024 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1028625393024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518328211400).
1028625393024 is an abundant number, since it is smaller than the sum of its proper divisors (2008031029776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028625393024 is a wasteful number, since it uses less digits than its factorization.
1028625393024 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53833 (or 53818 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 1028625393024 in words is "one trillion, twenty-eight billion, six hundred twenty-five million, three hundred ninety-three thousand, twenty-four".
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