Base | Representation |
---|---|
bin | 1100000100011… |
… | …00110101000011 |
3 | 21001111112100111 |
4 | 12002030311003 |
5 | 201404141011 |
6 | 14013532151 |
7 | 2336345506 |
oct | 602146503 |
9 | 231445314 |
10 | 101240131 |
11 | 52169233 |
12 | 29aa4057 |
13 | 17c89105 |
14 | d63513d |
15 | 8d4c121 |
hex | 608cd43 |
101240131 has 8 divisors (see below), whose sum is σ = 105187680. Its totient is φ = 97323072.
The previous prime is 101240099. The next prime is 101240143. The reversal of 101240131 is 131042101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101240131 - 25 = 101240099 is a prime.
It is a super-2 number, since 2×1012401312 = 20499128249794322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (101240171) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735 + ... + 14248.
It is an arithmetic number, because the mean of its divisors is an integer number (13148460).
Almost surely, 2101240131 is an apocalyptic number.
101240131 is a deficient number, since it is larger than the sum of its proper divisors (3947549).
101240131 is a wasteful number, since it uses less digits than its factorization.
101240131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15245.
The product of its (nonzero) digits is 24, while the sum is 13.
The square root of 101240131 is about 10061.8154922459. The cubic root of 101240131 is about 466.0697320541.
Adding to 101240131 its reverse (131042101), we get a palindrome (232282232).
The spelling of 101240131 in words is "one hundred one million, two hundred forty thousand, one hundred thirty-one".
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