Base | Representation |
---|---|
bin | 10010101111010001… |
… | …100111111101111101 |
3 | 1220221020021102010000 |
4 | 102233101213331331 |
5 | 312201322032031 |
6 | 13124312104513 |
7 | 1311414306045 |
oct | 225721477575 |
9 | 56836242100 |
10 | 20120502141 |
11 | 8595554073 |
12 | 3a96395139 |
13 | 1b8864928c |
14 | d8c2d2725 |
15 | 7cb6203e6 |
hex | 4af467f7d |
20120502141 has 40 divisors (see below), whose sum is σ = 30606920960. Its totient is φ = 13169729088.
The previous prime is 20120502121. The next prime is 20120502191. The reversal of 20120502141 is 14120502102.
20120502141 is a `hidden beast` number, since 2 + 0 + 1 + 20 + 502 + 141 = 666.
It is not a de Polignac number, because 20120502141 - 25 = 20120502109 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120502121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1310970 + ... + 1326228.
It is an arithmetic number, because the mean of its divisors is an integer number (765173024).
Almost surely, 220120502141 is an apocalyptic number.
It is an amenable number.
20120502141 is a deficient number, since it is larger than the sum of its proper divisors (10486418819).
20120502141 is a wasteful number, since it uses less digits than its factorization.
20120502141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15567 (or 15558 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The spelling of 20120502141 in words is "twenty billion, one hundred twenty million, five hundred two thousand, one hundred forty-one".
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