Base | Representation |
---|---|
bin | 10010101100001110… |
… | …110010011000010000 |
3 | 1220210200011111210011 |
4 | 102230032302120100 |
5 | 312100233123304 |
6 | 13115245244304 |
7 | 1310224212055 |
oct | 225416623020 |
9 | 56720144704 |
10 | 20069426704 |
11 | 8569739368 |
12 | 3a81263694 |
13 | 1b7aba5522 |
14 | d855d902c |
15 | 7c6dd1c04 |
hex | 4ac3b2610 |
20069426704 has 80 divisors (see below), whose sum is σ = 43888262400. Its totient is φ = 8833923072.
The previous prime is 20069426701. The next prime is 20069426719. The reversal of 20069426704 is 40762496002.
It is not an unprimeable number, because it can be changed into a prime (20069426701) 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, 383694 + ... + 432850.
It is an arithmetic number, because the mean of its divisors is an integer number (548603280).
Almost surely, 220069426704 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 20069426704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21944131200).
20069426704 is an abundant number, since it is smaller than the sum of its proper divisors (23818835696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20069426704 is a wasteful number, since it uses less digits than its factorization.
20069426704 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49280 (or 49274 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 40.
The spelling of 20069426704 in words is "twenty billion, sixty-nine million, four hundred twenty-six thousand, seven hundred four".
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