Base | Representation |
---|---|
bin | 1111100001100… |
… | …00001100110111 |
3 | 100002000220102122 |
4 | 13300300030313 |
5 | 231314031410 |
6 | 20531030155 |
7 | 3140600432 |
oct | 760601467 |
9 | 302026378 |
10 | 130220855 |
11 | 67562946 |
12 | 3773b35b |
13 | 20c9517b |
14 | 1341a819 |
15 | b673e55 |
hex | 7c30337 |
130220855 has 4 divisors (see below), whose sum is σ = 156265032. Its totient is φ = 104176680.
The previous prime is 130220837. The next prime is 130220869. The reversal of 130220855 is 558022031.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 130220855 - 226 = 63111991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13022081 + ... + 13022090.
It is an arithmetic number, because the mean of its divisors is an integer number (39066258).
Almost surely, 2130220855 is an apocalyptic number.
130220855 is a deficient number, since it is larger than the sum of its proper divisors (26044177).
130220855 is an equidigital number, since it uses as much as digits as its factorization.
130220855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26044176.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 130220855 is about 11411.4352734439. The cubic root of 130220855 is about 506.8664130956.
Adding to 130220855 its reverse (558022031), we get a palindrome (688242886).
The spelling of 130220855 in words is "one hundred thirty million, two hundred twenty thousand, eight hundred fifty-five".
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