Base | Representation |
---|---|
bin | 1111101001000… |
… | …10101100110010 |
3 | 100010220100221121 |
4 | 13310202230302 |
5 | 232042323010 |
6 | 21004212454 |
7 | 3152205325 |
oct | 764425462 |
9 | 303810847 |
10 | 131214130 |
11 | 68081133 |
12 | 37b3a12a |
13 | 212522c8 |
14 | 135d87bc |
15 | b7bd3da |
hex | 7d22b32 |
131214130 has 16 divisors (see below), whose sum is σ = 241211520. Its totient is φ = 51368752.
The previous prime is 131214101. The next prime is 131214157. The reversal of 131214130 is 31412131.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139120 + ... + 140059.
It is an arithmetic number, because the mean of its divisors is an integer number (15075720).
Almost surely, 2131214130 is an apocalyptic number.
131214130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131214130 is a deficient number, since it is larger than the sum of its proper divisors (109997390).
131214130 is a wasteful number, since it uses less digits than its factorization.
131214130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279233.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 131214130 is about 11454.8736352698. The cubic root of 131214130 is about 508.1518781419.
Adding to 131214130 its reverse (31412131), we get a palindrome (162626261).
The spelling of 131214130 in words is "one hundred thirty-one million, two hundred fourteen thousand, one hundred thirty".
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