Base | Representation |
---|---|
bin | 1111100001000… |
… | …10111111110110 |
3 | 100001221011020122 |
4 | 13300202333312 |
5 | 231310314044 |
6 | 20525531542 |
7 | 3140253653 |
oct | 760427766 |
9 | 301834218 |
10 | 130166774 |
11 | 67526251 |
12 | 37713bb2 |
13 | 20c7667a |
14 | 13404c2a |
15 | b662dee |
hex | 7c22ff6 |
130166774 has 4 divisors (see below), whose sum is σ = 195250164. Its totient is φ = 65083386.
The previous prime is 130166753. The next prime is 130166783. The reversal of 130166774 is 477661031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 477661031 = 887 ⋅538513.
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 as a sum of consecutive naturals, namely, 32541692 + ... + 32541695.
It is an arithmetic number, because the mean of its divisors is an integer number (48812541).
Almost surely, 2130166774 is an apocalyptic number.
130166774 is a deficient number, since it is larger than the sum of its proper divisors (65083390).
130166774 is an equidigital number, since it uses as much as digits as its factorization.
130166774 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65083389.
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 130166774 is about 11409.0654306126. The cubic root of 130166774 is about 506.7962358108.
The spelling of 130166774 in words is "one hundred thirty million, one hundred sixty-six thousand, seven hundred seventy-four".
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