Base | Representation |
---|---|
bin | 1111100010011… |
… | …01111010010111 |
3 | 100002021002100220 |
4 | 13301031322113 |
5 | 231331430201 |
6 | 20533405423 |
7 | 3141615303 |
oct | 761157227 |
9 | 302232326 |
10 | 130342551 |
11 | 67636319 |
12 | 37799873 |
13 | 21008691 |
14 | 1344cd03 |
15 | b69a036 |
hex | 7c4de97 |
130342551 has 4 divisors (see below), whose sum is σ = 173790072. Its totient is φ = 86895032.
The previous prime is 130342549. The next prime is 130342571. The reversal of 130342551 is 155243031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 130342551 - 21 = 130342549 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130342571) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21723756 + ... + 21723761.
It is an arithmetic number, because the mean of its divisors is an integer number (43447518).
Almost surely, 2130342551 is an apocalyptic number.
130342551 is a deficient number, since it is larger than the sum of its proper divisors (43447521).
130342551 is an equidigital number, since it uses as much as digits as its factorization.
130342551 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43447520.
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 130342551 is about 11416.7662234102. The cubic root of 130342551 is about 507.0242588053.
Adding to 130342551 its reverse (155243031), we get a palindrome (285585582).
The spelling of 130342551 in words is "one hundred thirty million, three hundred forty-two thousand, five hundred fifty-one".
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