Base | Representation |
---|---|
bin | 10010110001001110… |
… | …001000101110111100 |
3 | 1221000111200200212020 |
4 | 102301032020232330 |
5 | 312233201022304 |
6 | 13131435440140 |
7 | 1312261611426 |
oct | 226116105674 |
9 | 57014620766 |
10 | 20153142204 |
11 | 8601a18028 |
12 | 3aa52b6050 |
13 | 1b92336b20 |
14 | d9278b816 |
15 | 7ce41b5d9 |
hex | 4b1388bbc |
20153142204 has 24 divisors (see below), whose sum is σ = 50641229520. Its totient is φ = 6200966784.
The previous prime is 20153142199. The next prime is 20153142221. The reversal of 20153142204 is 40224135102.
It is a super-2 number, since 2×201531422042 (a number of 21 digits) contains 22 as substring.
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 7 ways as a sum of consecutive naturals, for example, 64593249 + ... + 64593560.
It is an arithmetic number, because the mean of its divisors is an integer number (2110051230).
Almost surely, 220153142204 is an apocalyptic number.
It is an amenable number.
20153142204 is an abundant number, since it is smaller than the sum of its proper divisors (30488087316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20153142204 is a wasteful number, since it uses less digits than its factorization.
20153142204 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 129186829 (or 129186827 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 20153142204 its reverse (40224135102), we get a palindrome (60377277306).
The spelling of 20153142204 in words is "twenty billion, one hundred fifty-three million, one hundred forty-two thousand, two hundred four".
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