Base | Representation |
---|---|
bin | 10010110100001101… |
… | …001001000100101110 |
3 | 1221010222220120012221 |
4 | 102310031021010232 |
5 | 312334010304402 |
6 | 13140424545554 |
7 | 1313440322632 |
oct | 226415110456 |
9 | 57128816187 |
10 | 20203213102 |
11 | 8628207036 |
12 | 3aba0222ba |
13 | 1b9c818587 |
14 | d992a2dc2 |
15 | 7d3a0c337 |
hex | 4b434912e |
20203213102 has 16 divisors (see below), whose sum is σ = 30631131360. Its totient is φ = 9993398688.
The previous prime is 20203213091. The next prime is 20203213141. The reversal of 20203213102 is 20131230202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68578 + ... + 212389.
It is an arithmetic number, because the mean of its divisors is an integer number (1914445710).
Almost surely, 220203213102 is an apocalyptic number.
20203213102 is a deficient number, since it is larger than the sum of its proper divisors (10427918258).
20203213102 is a wasteful number, since it uses less digits than its factorization.
20203213102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 281355.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20203213102 its reverse (20131230202), we get a palindrome (40334443304).
The spelling of 20203213102 in words is "twenty billion, two hundred three million, two hundred thirteen thousand, one hundred two".
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