Base | Representation |
---|---|
bin | 1111100001100… |
… | …00001100111000 |
3 | 100002000220102200 |
4 | 13300300030320 |
5 | 231314031411 |
6 | 20531030200 |
7 | 3140600433 |
oct | 760601470 |
9 | 302026380 |
10 | 130220856 |
11 | 67562947 |
12 | 3773b360 |
13 | 20c9517c |
14 | 1341a81a |
15 | b673e56 |
hex | 7c30338 |
130220856 has 48 divisors (see below), whose sum is σ = 360891960. Its totient is φ = 42396480.
The previous prime is 130220837. The next prime is 130220869. The reversal of 130220856 is 658022031.
It is a zygodrome in base 2.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17935 + ... + 24126.
Almost surely, 2130220856 is an apocalyptic number.
It is an amenable number.
130220856 is an abundant number, since it is smaller than the sum of its proper divisors (230671104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130220856 is a wasteful number, since it uses less digits than its factorization.
130220856 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42116 (or 42109 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 130220856 is about 11411.4353172596. The cubic root of 130220856 is about 506.8664143931.
Adding to 130220856 its reverse (658022031), we get a palindrome (788242887).
The spelling of 130220856 in words is "one hundred thirty million, two hundred twenty thousand, eight hundred fifty-six".
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