Base | Representation |
---|---|
bin | 101111100000011011… |
… | …1011101100010110011 |
3 | 100202022221122121001210 |
4 | 1133000313131202303 |
5 | 3132414110342321 |
6 | 114511202531203 |
7 | 10241102536635 |
oct | 1370067354263 |
9 | 322287577053 |
10 | 102020012211 |
11 | 3a2a2701187 |
12 | 17932366b03 |
13 | 980b172940 |
14 | 4d1b448a55 |
15 | 29c1751b76 |
hex | 17c0ddd8b3 |
102020012211 has 16 divisors (see below), whose sum is σ = 146508642560. Its totient is φ = 62773673760.
The previous prime is 102020012209. The next prime is 102020012239. The reversal of 102020012211 is 112210020201.
It is not a de Polignac number, because 102020012211 - 21 = 102020012209 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102020012291) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159066 + ... + 478896.
It is an arithmetic number, because the mean of its divisors is an integer number (9156790160).
Almost surely, 2102020012211 is an apocalyptic number.
102020012211 is a deficient number, since it is larger than the sum of its proper divisors (44488630349).
102020012211 is a wasteful number, since it uses less digits than its factorization.
102020012211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328026.
The product of its (nonzero) digits is 16, while the sum is 12.
Adding to 102020012211 its reverse (112210020201), we get a palindrome (214230032412).
The spelling of 102020012211 in words is "one hundred two billion, twenty million, twelve thousand, two hundred eleven".
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