Base | Representation |
---|---|
bin | 1111101000011… |
… | …11001011001011 |
3 | 100010202022020120 |
4 | 13310033023023 |
5 | 232032243110 |
6 | 21002354323 |
7 | 3151423215 |
oct | 764171313 |
9 | 303668216 |
10 | 131134155 |
11 | 68027039 |
12 | 37abb9a3 |
13 | 21224a99 |
14 | 135b75b5 |
15 | b7a4870 |
hex | 7d0f2cb |
131134155 has 32 divisors (see below), whose sum is σ = 220492800. Its totient is φ = 66422400.
The previous prime is 131134153. The next prime is 131134163. The reversal of 131134155 is 551431131.
It is not a de Polignac number, because 131134155 - 21 = 131134153 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131134151) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50130 + ... + 52680.
It is an arithmetic number, because the mean of its divisors is an integer number (6890400).
Almost surely, 2131134155 is an apocalyptic number.
131134155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131134155 is a deficient number, since it is larger than the sum of its proper divisors (89358645).
131134155 is a wasteful number, since it uses less digits than its factorization.
131134155 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2731.
The product of its digits is 900, while the sum is 24.
The square root of 131134155 is about 11451.3822309798. The cubic root of 131134155 is about 508.0486176525.
Adding to 131134155 its reverse (551431131), we get a palindrome (682565286).
The spelling of 131134155 in words is "one hundred thirty-one million, one hundred thirty-four thousand, one hundred fifty-five".
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