Base | Representation |
---|---|
bin | 1111101010100… |
… | …00010101001001 |
3 | 100011020212022221 |
4 | 13311100111021 |
5 | 232114313113 |
6 | 21012214041 |
7 | 3153614251 |
oct | 765202511 |
9 | 304225287 |
10 | 131401033 |
11 | 681995a5 |
12 | 3800a321 |
13 | 212b93ba |
14 | 13646961 |
15 | b80898d |
hex | 7d50549 |
131401033 has 8 divisors (see below), whose sum is σ = 136843776. Its totient is φ = 126033600.
The previous prime is 131401031. The next prime is 131401037. The reversal of 131401033 is 330104131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131401033 - 21 = 131401031 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131400998 and 131401016.
It is not an unprimeable number, because it can be changed into a prime (131401031) 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, 15253 + ... + 22258.
It is an arithmetic number, because the mean of its divisors is an integer number (17105472).
Almost surely, 2131401033 is an apocalyptic number.
It is an amenable number.
131401033 is a deficient number, since it is larger than the sum of its proper divisors (5442743).
131401033 is a wasteful number, since it uses less digits than its factorization.
131401033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37655.
The product of its (nonzero) digits is 108, while the sum is 16.
The square root of 131401033 is about 11463.0289627131. The cubic root of 131401033 is about 508.3930362437.
Adding to 131401033 its reverse (330104131), we get a palindrome (461505164).
The spelling of 131401033 in words is "one hundred thirty-one million, four hundred one thousand, thirty-three".
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