Base | Representation |
---|---|
bin | 100111001000100110… |
… | …001000001110001100 |
3 | 11000110110022111010002 |
4 | 213020212020032030 |
5 | 1142024124102022 |
6 | 31145341303432 |
7 | 3015204221330 |
oct | 471046101614 |
9 | 130413274102 |
10 | 42020144012 |
11 | 16903304150 |
12 | 8188564b78 |
13 | 3c68760752 |
14 | 20689cb7c0 |
15 | 115e028092 |
hex | 9c898838c |
42020144012 has 24 divisors (see below), whose sum is σ = 91680314880. Its totient is φ = 16371484560.
The previous prime is 42020143987. The next prime is 42020144039. The reversal of 42020144012 is 21044102024.
It is a super-2 number, since 2×420201440122 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68214212 + ... + 68214827.
It is an arithmetic number, because the mean of its divisors is an integer number (3820013120).
Almost surely, 242020144012 is an apocalyptic number.
It is an amenable number.
42020144012 is an abundant number, since it is smaller than the sum of its proper divisors (49660170868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42020144012 is a wasteful number, since it uses less digits than its factorization.
42020144012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136429061 (or 136429059 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 20.
Adding to 42020144012 its reverse (21044102024), we get a palindrome (63064246036).
The spelling of 42020144012 in words is "forty-two billion, twenty million, one hundred forty-four thousand, twelve".
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