Base | Representation |
---|---|
bin | 10010101010100010… |
… | …110110100001101110 |
3 | 1220201200220222221102 |
4 | 102222202312201232 |
5 | 312021012212032 |
6 | 13112355003102 |
7 | 1306431545453 |
oct | 225242664156 |
9 | 56650828842 |
10 | 20041132142 |
11 | 8554773229 |
12 | 3a73899492 |
13 | 1b75079895 |
14 | d8195182a |
15 | 7c4693362 |
hex | 4aa8b686e |
20041132142 has 24 divisors (see below), whose sum is σ = 31964277576. Its totient is φ = 9422195328.
The previous prime is 20041132127. The next prime is 20041132171. The reversal of 20041132142 is 24123114002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 615893 + ... + 647615.
It is an arithmetic number, because the mean of its divisors is an integer number (1331844899).
Almost surely, 220041132142 is an apocalyptic number.
20041132142 is a deficient number, since it is larger than the sum of its proper divisors (11923145434).
20041132142 is a wasteful number, since it uses less digits than its factorization.
20041132142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32852 (or 32835 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 20041132142 its reverse (24123114002), we get a palindrome (44164246144).
The spelling of 20041132142 in words is "twenty billion, forty-one million, one hundred thirty-two thousand, one hundred forty-two".
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