Base | Representation |
---|---|
bin | 1001001001101110110011… |
… | …10000111010101000110100 |
3 | 2122020222121221110201002010 |
4 | 10210313121300322220310 |
5 | 10114214134231320344 |
6 | 110445321151444220 |
7 | 4145011342102503 |
oct | 444673160725064 |
9 | 78228557421063 |
10 | 20125575260724 |
11 | 645a23262004a |
12 | 231057a526670 |
13 | b2caab572c3b |
14 | 4d8123c0c83a |
15 | 24d7a45258b9 |
hex | 124dd9c3aa34 |
20125575260724 has 192 divisors, whose sum is σ = 50508236620800. Its totient is φ = 6217691470848.
The previous prime is 20125575260633. The next prime is 20125575260729. The reversal of 20125575260724 is 42706257552102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20125575260729) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8410184872 + ... + 8410187264.
It is an arithmetic number, because the mean of its divisors is an integer number (263063732400).
Almost surely, 220125575260724 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 20125575260724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25254118310400).
20125575260724 is an abundant number, since it is smaller than the sum of its proper divisors (30382661360076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20125575260724 is a wasteful number, since it uses less digits than its factorization.
20125575260724 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4174 (or 4172 counting only the distinct ones).
The product of its (nonzero) digits is 2352000, while the sum is 48.
The spelling of 20125575260724 in words is "twenty trillion, one hundred twenty-five billion, five hundred seventy-five million, two hundred sixty thousand, seven hundred twenty-four".
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