Base | Representation |
---|---|
bin | 10010101111010000… |
… | …011110111101100110 |
3 | 1220221012201012220210 |
4 | 102233100132331212 |
5 | 312201232444420 |
6 | 13124301440250 |
7 | 1311411622200 |
oct | 225720367546 |
9 | 56835635823 |
10 | 20120203110 |
11 | 859536a437 |
12 | 3a96270086 |
13 | 1b88573137 |
14 | d8c255770 |
15 | 7cb5b19e0 |
hex | 4af41ef66 |
20120203110 has 96 divisors (see below), whose sum is σ = 57984463872. Its totient is φ = 4450541760.
The previous prime is 20120203109. The next prime is 20120203111. The reversal of 20120203110 is 1130202102.
It is an interprime number because it is at equal distance from previous prime (20120203109) and next prime (20120203111).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20120203111) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175192 + ... + 266331.
It is an arithmetic number, because the mean of its divisors is an integer number (604004832).
Almost surely, 220120203110 is an apocalyptic number.
20120203110 is an abundant number, since it is smaller than the sum of its proper divisors (37864260762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20120203110 is a wasteful number, since it uses less digits than its factorization.
20120203110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441578 (or 441571 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
Adding to 20120203110 its reverse (1130202102), we get a palindrome (21250405212).
The spelling of 20120203110 in words is "twenty billion, one hundred twenty million, two hundred three thousand, one hundred ten".
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