Base | Representation |
---|---|
bin | 1111100000101… |
… | …11111001010110 |
3 | 100001211211212111 |
4 | 13300113321112 |
5 | 231302340202 |
6 | 20524541234 |
7 | 3140004253 |
oct | 760277126 |
9 | 301754774 |
10 | 130121302 |
11 | 674a5073 |
12 | 376b181a |
13 | 20c5ba6c |
14 | 133d242a |
15 | b6546d7 |
hex | 7c17e56 |
130121302 has 4 divisors (see below), whose sum is σ = 195181956. Its totient is φ = 65060650.
The previous prime is 130121297. The next prime is 130121317. The reversal of 130121302 is 203121031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203121031 = 509 ⋅399059.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32530324 + ... + 32530327.
It is an arithmetic number, because the mean of its divisors is an integer number (48795489).
Almost surely, 2130121302 is an apocalyptic number.
130121302 is a deficient number, since it is larger than the sum of its proper divisors (65060654).
130121302 is an equidigital number, since it uses as much as digits as its factorization.
130121302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65060653.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 130121302 is about 11407.0724552797. The cubic root of 130121302 is about 506.7372148032.
Adding to 130121302 its reverse (203121031), we get a palindrome (333242333).
The spelling of 130121302 in words is "one hundred thirty million, one hundred twenty-one thousand, three hundred two".
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