Base | Representation |
---|---|
bin | 11101111101001011000… |
… | …10100001110101110001 |
3 | 10122101201220111212212210 |
4 | 32332211202201311301 |
5 | 113330423231212024 |
6 | 2104501524042333 |
7 | 134235244456152 |
oct | 16764542416561 |
9 | 3571656455783 |
10 | 1029274475889 |
11 | 367570676a20 |
12 | 147591b333a9 |
13 | 760a225591a |
14 | 37b62391929 |
15 | 1bb9182a129 |
hex | efa58a1d71 |
1029274475889 has 16 divisors (see below), whose sum is σ = 1500332371200. Its totient is φ = 622466937360.
The previous prime is 1029274475771. The next prime is 1029274475897. The reversal of 1029274475889 is 9885744729201.
It is not a de Polignac number, because 1029274475889 - 28 = 1029274475633 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1029274475899) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33378739 + ... + 33409560.
It is an arithmetic number, because the mean of its divisors is an integer number (93770773200).
Almost surely, 21029274475889 is an apocalyptic number.
It is an amenable number.
1029274475889 is a deficient number, since it is larger than the sum of its proper divisors (471057895311).
1029274475889 is a wasteful number, since it uses less digits than its factorization.
1029274475889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66788780.
The product of its (nonzero) digits is 81285120, while the sum is 66.
The spelling of 1029274475889 in words is "one trillion, twenty-nine billion, two hundred seventy-four million, four hundred seventy-five thousand, eight hundred eighty-nine".
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