Base | Representation |
---|---|
bin | 111101001100000011… |
… | …1100000100101110011 |
3 | 110120011120101201201010 |
4 | 1322120013200211303 |
5 | 4123102141433321 |
6 | 140210450042003 |
7 | 12331146061410 |
oct | 1723007404563 |
9 | 416146351633 |
10 | 131401124211 |
11 | 507aa566525 |
12 | 21571b79303 |
13 | c511257c06 |
14 | 65075d1107 |
15 | 3640d7b676 |
hex | 1e981e0973 |
131401124211 has 32 divisors (see below), whose sum is σ = 209024040960. Its totient is φ = 71791451424.
The previous prime is 131401124201. The next prime is 131401124213. The reversal of 131401124211 is 112421104131.
It is not a de Polignac number, because 131401124211 - 213 = 131401116019 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (131401124213) 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, 1114170 + ... + 1226448.
It is an arithmetic number, because the mean of its divisors is an integer number (6532001280).
Almost surely, 2131401124211 is an apocalyptic number.
131401124211 is a deficient number, since it is larger than the sum of its proper divisors (77622916749).
131401124211 is a wasteful number, since it uses less digits than its factorization.
131401124211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114735.
The product of its (nonzero) digits is 192, while the sum is 21.
Adding to 131401124211 its reverse (112421104131), we get a palindrome (243822228342).
The spelling of 131401124211 in words is "one hundred thirty-one billion, four hundred one million, one hundred twenty-four thousand, two hundred eleven".
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