Base | Representation |
---|---|
bin | 10010110110100010… |
… | …110010011110010010 |
3 | 1221020201201121022220 |
4 | 102312202302132102 |
5 | 312424031122010 |
6 | 13144345441510 |
7 | 1314424630161 |
oct | 226642623622 |
9 | 57221647286 |
10 | 20242442130 |
11 | 8648370419 |
12 | 3b0b1a0296 |
13 | 1ba79a2211 |
14 | da05953d8 |
15 | 7d71aa970 |
hex | 4b68b2792 |
20242442130 has 64 divisors (see below), whose sum is σ = 52017707520. Its totient is φ = 5023361024.
The previous prime is 20242442123. The next prime is 20242442153. The reversal of 20242442130 is 3124424202.
It is a self number, because there is not a number n which added to its sum of digits gives 20242442130.
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 31 ways as a sum of consecutive naturals, for example, 177594 + ... + 268373.
It is an arithmetic number, because the mean of its divisors is an integer number (812776680).
Almost surely, 220242442130 is an apocalyptic number.
20242442130 is an abundant number, since it is smaller than the sum of its proper divisors (31775265390).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20242442130 is a wasteful number, since it uses less digits than its factorization.
20242442130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 446083.
The product of its (nonzero) digits is 3072, while the sum is 24.
Adding to 20242442130 its reverse (3124424202), we get a palindrome (23366866332).
The spelling of 20242442130 in words is "twenty billion, two hundred forty-two million, four hundred forty-two thousand, one hundred thirty".
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