Base | Representation |
---|---|
bin | 1000010001111001010… |
… | …0001001110000100101 |
3 | 111121011010101201000020 |
4 | 2010132110021300211 |
5 | 4312303041120401 |
6 | 145202330505353 |
7 | 13163621320533 |
oct | 2043624116045 |
9 | 447133351006 |
10 | 142242520101 |
11 | 55363215740 |
12 | 23698895259 |
13 | 1054b360276 |
14 | 6c553b7153 |
15 | 3a77a3bd36 |
hex | 211e509c25 |
142242520101 has 16 divisors (see below), whose sum is σ = 209031187008. Its totient is φ = 85318848000.
The previous prime is 142242520099. The next prime is 142242520111. The reversal of 142242520101 is 101025242241.
It is not a de Polignac number, because 142242520101 - 21 = 142242520099 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142242520111) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22215250 + ... + 22221651.
It is an arithmetic number, because the mean of its divisors is an integer number (13064449188).
Almost surely, 2142242520101 is an apocalyptic number.
142242520101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
142242520101 is a deficient number, since it is larger than the sum of its proper divisors (66788666907).
142242520101 is a wasteful number, since it uses less digits than its factorization.
142242520101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44437012.
The product of its (nonzero) digits is 1280, while the sum is 24.
Adding to 142242520101 its reverse (101025242241), we get a palindrome (243267762342).
The spelling of 142242520101 in words is "one hundred forty-two billion, two hundred forty-two million, five hundred twenty thousand, one hundred one".
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