Base | Representation |
---|---|
bin | 1111100011110… |
… | …01101001101110 |
3 | 100002121012010102 |
4 | 13301321221232 |
5 | 231403143320 |
6 | 20541311102 |
7 | 3143262524 |
oct | 761715156 |
9 | 302535112 |
10 | 130521710 |
11 | 67748990 |
12 | 37865492 |
13 | 2106c0a7 |
14 | 13498314 |
15 | b6d3175 |
hex | 7c79a6e |
130521710 has 32 divisors (see below), whose sum is σ = 258342912. Its totient is φ = 47083680.
The previous prime is 130521709. The next prime is 130521731. The reversal of 130521710 is 17125031.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 9299 + ... + 18641.
It is an arithmetic number, because the mean of its divisors is an integer number (8073216).
Almost surely, 2130521710 is an apocalyptic number.
130521710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130521710 is a deficient number, since it is larger than the sum of its proper divisors (127821202).
130521710 is a wasteful number, since it uses less digits than its factorization.
130521710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9488.
The product of its (nonzero) digits is 210, while the sum is 20.
The square root of 130521710 is about 11424.6098401652. The cubic root of 130521710 is about 507.2564581665.
Adding to 130521710 its reverse (17125031), we get a palindrome (147646741).
The spelling of 130521710 in words is "one hundred thirty million, five hundred twenty-one thousand, seven hundred ten".
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