Base | Representation |
---|---|
bin | 10010101111011111… |
… | …110110100111000100 |
3 | 1220221111021220200211 |
4 | 102233133312213010 |
5 | 312203300412012 |
6 | 13124524045204 |
7 | 1311461102464 |
oct | 225737664704 |
9 | 56844256624 |
10 | 20124232132 |
11 | 8597671504 |
12 | 3a97693804 |
13 | 1b89353c84 |
14 | d8c9c3ba4 |
15 | 7cbb0a6a7 |
hex | 4af7f69c4 |
20124232132 has 12 divisors (see below), whose sum is σ = 35218983996. Its totient is φ = 10061665280.
The previous prime is 20124232127. The next prime is 20124232133. The reversal of 20124232132 is 23123242102.
It can be written as a sum of positive squares in 2 ways, for example, as 7051968576 + 13072263556 = 83976^2 + 114334^2 .
It is not an unprimeable number, because it can be changed into a prime (20124232133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348 + ... + 200620.
It is an arithmetic number, because the mean of its divisors is an integer number (2934915333).
Almost surely, 220124232132 is an apocalyptic number.
It is an amenable number.
20124232132 is a deficient number, since it is larger than the sum of its proper divisors (15094751864).
20124232132 is a wasteful number, since it uses less digits than its factorization.
20124232132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 225398 (or 225396 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 20124232132 its reverse (23123242102), we get a palindrome (43247474234).
The spelling of 20124232132 in words is "twenty billion, one hundred twenty-four million, two hundred thirty-two thousand, one hundred thirty-two".
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