Base | Representation |
---|---|
bin | 1100010101110111111… |
… | …0101110010010001110 |
3 | 202021021202002011020020 |
4 | 3011131332232102032 |
5 | 11433214202333402 |
6 | 241223313203010 |
7 | 21214206202242 |
oct | 3053576562216 |
9 | 667252064206 |
10 | 212030121102 |
11 | 81a15526248 |
12 | 35114560466 |
13 | 16cc079bb27 |
14 | a395b00422 |
15 | 57ae6948bc |
hex | 315dfae48e |
212030121102 has 32 divisors (see below), whose sum is σ = 446424376320. Its totient is φ = 66950104320.
The previous prime is 212030121059. The next prime is 212030121113. The reversal of 212030121102 is 201121030212.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1103902 + ... + 1281662.
It is an arithmetic number, because the mean of its divisors is an integer number (13950761760).
Almost surely, 2212030121102 is an apocalyptic number.
212030121102 is an abundant number, since it is smaller than the sum of its proper divisors (234394255218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212030121102 is a wasteful number, since it uses less digits than its factorization.
212030121102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188248.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 212030121102 its reverse (201121030212), we get a palindrome (413151151314).
The spelling of 212030121102 in words is "two hundred twelve billion, thirty million, one hundred twenty-one thousand, one hundred two".
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