Base | Representation |
---|---|
bin | 1111100010011… |
… | …10100000101101 |
3 | 100002021012201210 |
4 | 13301032200231 |
5 | 231332020010 |
6 | 20533425033 |
7 | 3141625410 |
oct | 761164055 |
9 | 302235653 |
10 | 130345005 |
11 | 6763814a |
12 | 3779b179 |
13 | 2100982b |
14 | 1344db77 |
15 | b69ab20 |
hex | 7c4e82d |
130345005 has 16 divisors (see below), whose sum is σ = 238345344. Its totient is φ = 59586240.
The previous prime is 130344971. The next prime is 130345013. The reversal of 130345005 is 500543031.
It is not a de Polignac number, because 130345005 - 211 = 130342957 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 620586 + ... + 620795.
It is an arithmetic number, because the mean of its divisors is an integer number (14896584).
Almost surely, 2130345005 is an apocalyptic number.
130345005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
130345005 is a deficient number, since it is larger than the sum of its proper divisors (108000339).
130345005 is a wasteful number, since it uses less digits than its factorization.
130345005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1241396.
The product of its (nonzero) digits is 900, while the sum is 21.
The square root of 130345005 is about 11416.8736964197. The cubic root of 130345005 is about 507.0274407534.
Adding to 130345005 its reverse (500543031), we get a palindrome (630888036).
The spelling of 130345005 in words is "one hundred thirty million, three hundred forty-five thousand, five".
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