Base | Representation |
---|---|
bin | 1111100100111… |
… | …00101111101000 |
3 | 100002212111022001 |
4 | 13302130233220 |
5 | 231422243243 |
6 | 20544340344 |
7 | 3144431554 |
oct | 762345750 |
9 | 302774261 |
10 | 130665448 |
11 | 67836981 |
12 | 379146b4 |
13 | 210bc644 |
14 | 134d4864 |
15 | b710a4d |
hex | 7c9cbe8 |
130665448 has 16 divisors (see below), whose sum is σ = 246560580. Its totient is φ = 64915968.
The previous prime is 130665443. The next prime is 130665467. The reversal of 130665448 is 844566031.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 127644804 + 3020644 = 11298^2 + 1738^2 .
It is not an unprimeable number, because it can be changed into a prime (130665443) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50761 + ... + 53272.
Almost surely, 2130665448 is an apocalyptic number.
It is an amenable number.
130665448 is a deficient number, since it is larger than the sum of its proper divisors (115895132).
130665448 is a wasteful number, since it uses less digits than its factorization.
130665448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104196 (or 104192 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 37.
The square root of 130665448 is about 11430.8988273014. The cubic root of 130665448 is about 507.4425964986.
The spelling of 130665448 in words is "one hundred thirty million, six hundred sixty-five thousand, four hundred forty-eight".
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