Base | Representation |
---|---|
bin | 1111100010010… |
… | …00111111001010 |
3 | 100002020001200202 |
4 | 13301020333022 |
5 | 231330304003 |
6 | 20533132202 |
7 | 3141502424 |
oct | 761107712 |
9 | 302201622 |
10 | 130322378 |
11 | 6762214a |
12 | 3778a062 |
13 | 20ccc444 |
14 | 13445814 |
15 | b694088 |
hex | 7c48fca |
130322378 has 4 divisors (see below), whose sum is σ = 195483570. Its totient is φ = 65161188.
The previous prime is 130322377. The next prime is 130322383. The reversal of 130322378 is 873223031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 873223031 = 29 ⋅30111139.
It can be written as a sum of positive squares in only one way, i.e., 70677649 + 59644729 = 8407^2 + 7723^2 .
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 130322378.
It is not an unprimeable number, because it can be changed into a prime (130322371) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32580593 + ... + 32580596.
Almost surely, 2130322378 is an apocalyptic number.
130322378 is a deficient number, since it is larger than the sum of its proper divisors (65161192).
130322378 is an equidigital number, since it uses as much as digits as its factorization.
130322378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65161191.
The product of its (nonzero) digits is 6048, while the sum is 29.
The square root of 130322378 is about 11415.8827078768. The cubic root of 130322378 is about 506.9981002254.
The spelling of 130322378 in words is "one hundred thirty million, three hundred twenty-two thousand, three hundred seventy-eight".
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