Base | Representation |
---|---|
bin | 100000001101100011… |
… | …0100110011110010100 |
3 | 20121112212110001021212 |
4 | 1000123012212132110 |
5 | 2113132043121040 |
6 | 51440031000552 |
7 | 4666125634133 |
oct | 1003306463624 |
9 | 217485401255 |
10 | 69174192020 |
11 | 2737803433a |
12 | 114a6369158 |
13 | 66a532988b |
14 | 34c308d91a |
15 | 1becd8bd65 |
hex | 101b1a6794 |
69174192020 has 48 divisors (see below), whose sum is σ = 148870178688. Its totient is φ = 26985087360.
The previous prime is 69174192011. The next prime is 69174192037. The reversal of 69174192020 is 2029147196.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507617 + ... + 629303.
It is an arithmetic number, because the mean of its divisors is an integer number (3101462056).
Almost surely, 269174192020 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 69174192020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74435089344).
69174192020 is an abundant number, since it is smaller than the sum of its proper divisors (79695986668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69174192020 is a wasteful number, since it uses less digits than its factorization.
69174192020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122400 (or 122398 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 41.
The spelling of 69174192020 in words is "sixty-nine billion, one hundred seventy-four million, one hundred ninety-two thousand, twenty".
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