Base | Representation |
---|---|
bin | 1111100100111… |
… | …00101100110100 |
3 | 100002212111001101 |
4 | 13302130230310 |
5 | 231422242033 |
6 | 20544335444 |
7 | 3144431206 |
oct | 762345464 |
9 | 302774041 |
10 | 130665268 |
11 | 67836828 |
12 | 37914584 |
13 | 210bc536 |
14 | 134d4776 |
15 | b71097d |
hex | 7c9cb34 |
130665268 has 6 divisors (see below), whose sum is σ = 228664226. Its totient is φ = 65332632.
The previous prime is 130665263. The next prime is 130665287. The reversal of 130665268 is 862566031.
It can be written as a sum of positive squares in only one way, i.e., 84125584 + 46539684 = 9172^2 + 6822^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130665263) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16333155 + ... + 16333162.
Almost surely, 2130665268 is an apocalyptic number.
It is an amenable number.
130665268 is a deficient number, since it is larger than the sum of its proper divisors (97998958).
130665268 is a wasteful number, since it uses less digits than its factorization.
130665268 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32666321 (or 32666319 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 37.
The square root of 130665268 is about 11430.8909539021. The cubic root of 130665268 is about 507.4423634869.
The spelling of 130665268 in words is "one hundred thirty million, six hundred sixty-five thousand, two hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •