| Base | Representation |
|---|---|
| bin | 11101111100011100111… |
| … | …11010101011010000000 |
| 3 | 10122100201221211210220220 |
| 4 | 32332032133111122000 |
| 5 | 113324130231400220 |
| 6 | 2104355311303040 |
| 7 | 134222540453100 |
| oct | 16761637253200 |
| 9 | 3570657753826 |
| 10 | 1028887762560 |
| 11 | 367392356529 |
| 12 | 1474a451aa80 |
| 13 | 760400b6b78 |
| 14 | 37b26c89200 |
| 15 | 1bb6c8dd540 |
| hex | ef8e7d5680 |
1028887762560 has 384 divisors, whose sum is σ = 3818910551040. Its totient is φ = 234934640640.
The previous prime is 1028887762559. The next prime is 1028887762589. The reversal of 1028887762560 is 652677888201.
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×10288877625602 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is a junction number, because it is equal to n+sod(n) for n = 1028887762494 and 1028887762503.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102259930 + ... + 102269990.
It is an arithmetic number, because the mean of its divisors is an integer number (9945079560).
Almost surely, 21028887762560 is an apocalyptic number.
1028887762560 is a gapful number since it is divisible by the number (10) 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 1028887762560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1909455275520).
1028887762560 is an abundant number, since it is smaller than the sum of its proper divisors (2790022788480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1028887762560 is a wasteful number, since it uses less digits than its factorization.
1028887762560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11184 (or 11165 counting only the distinct ones).
The product of its (nonzero) digits is 18063360, while the sum is 60.
The spelling of 1028887762560 in words is "one trillion, twenty-eight billion, eight hundred eighty-seven million, seven hundred sixty-two thousand, five hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •