Base | Representation |
---|---|
bin | 1111101010100… |
… | …01000101000101 |
3 | 100011021000112120 |
4 | 13311101011011 |
5 | 232114412401 |
6 | 21012240153 |
7 | 3153626223 |
oct | 765210505 |
9 | 304230476 |
10 | 131404101 |
11 | 681a0934 |
12 | 38010059 |
13 | 212ba90a |
14 | 13647b13 |
15 | b809836 |
hex | 7d51145 |
131404101 has 8 divisors (see below), whose sum is σ = 185511744. Its totient is φ = 82449600.
The previous prime is 131404081. The next prime is 131404103. The reversal of 131404101 is 101404131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131404101 - 25 = 131404069 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131404103) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288225 + ... + 1288326.
It is an arithmetic number, because the mean of its divisors is an integer number (23188968).
Almost surely, 2131404101 is an apocalyptic number.
It is an amenable number.
131404101 is a deficient number, since it is larger than the sum of its proper divisors (54107643).
131404101 is a wasteful number, since it uses less digits than its factorization.
131404101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2576571.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 131404101 is about 11463.1627834555. The cubic root of 131404101 is about 508.3969929292.
Adding to 131404101 its reverse (101404131), we get a palindrome (232808232).
The spelling of 131404101 in words is "one hundred thirty-one million, four hundred four thousand, one hundred one".
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