Base | Representation |
---|---|
bin | 11100001110100111010… |
… | …10101010111010000001 |
3 | 10102201112022101011001010 |
4 | 32013103222222322001 |
5 | 111342343204214334 |
6 | 2021324034231133 |
7 | 130034330640501 |
oct | 16072352527201 |
9 | 3381468334033 |
10 | 969918819969 |
11 | 344381985130 |
12 | 137b87a254a9 |
13 | 7060314c228 |
14 | 34d31309a01 |
15 | 1a36a9540e9 |
hex | e1d3aaae81 |
969918819969 has 16 divisors (see below), whose sum is σ = 1410849952704. Its totient is φ = 587805028800.
The previous prime is 969918819967. The next prime is 969918819973.
969918819969 is nontrivially palindromic in base 10.
969918819969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 969918819969 - 21 = 969918819967 is a prime.
It is a super-2 number, since 2×9699188199692 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 969918819891 and 969918819900.
It is not an unprimeable number, because it can be changed into a prime (969918819967) 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, 204127 + ... + 1407659.
It is an arithmetic number, because the mean of its divisors is an integer number (88178122044).
Almost surely, 2969918819969 is an apocalyptic number.
It is an amenable number.
969918819969 is a deficient number, since it is larger than the sum of its proper divisors (440931132735).
969918819969 is a wasteful number, since it uses less digits than its factorization.
969918819969 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1227968.
The product of its digits is 1224440064, while the sum is 84.
The spelling of 969918819969 in words is "nine hundred sixty-nine billion, nine hundred eighteen million, eight hundred nineteen thousand, nine hundred sixty-nine".
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