Base | Representation |
---|---|
bin | 1000010001011110110… |
… | …1000111110111101110 |
3 | 111120212101201200011002 |
4 | 2010113231013313232 |
5 | 4312041144003304 |
6 | 145143330000302 |
7 | 13161103611530 |
oct | 2042755076756 |
9 | 446771650132 |
10 | 142131625454 |
11 | 55306662975 |
12 | 23667716092 |
13 | 105313a3930 |
14 | 6c4478b850 |
15 | 3a6ce3431e |
hex | 2117b47dee |
142131625454 has 96 divisors (see below), whose sum is σ = 277464438720. Its totient is φ = 53166564864.
The previous prime is 142131625453. The next prime is 142131625481. The reversal of 142131625454 is 454526131241.
It is a super-5 number, since 5×1421316254545 (a number of 57 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142131625453) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40273562 + ... + 40277090.
It is an arithmetic number, because the mean of its divisors is an integer number (2890254570).
Almost surely, 2142131625454 is an apocalyptic number.
142131625454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
142131625454 is a deficient number, since it is larger than the sum of its proper divisors (135332813266).
142131625454 is a wasteful number, since it uses less digits than its factorization.
142131625454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4202 (or 4183 counting only the distinct ones).
The product of its digits is 115200, while the sum is 38.
Adding to 142131625454 its reverse (454526131241), we get a palindrome (596657756695).
The spelling of 142131625454 in words is "one hundred forty-two billion, one hundred thirty-one million, six hundred twenty-five thousand, four hundred fifty-four".
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