Base | Representation |
---|---|
bin | 11101011010010011101… |
… | …011001100001101111110 |
3 | 21011012211210011211200120 |
4 | 131122103223030031332 |
5 | 231103214210431420 |
6 | 4144253000435410 |
7 | 266010021155511 |
oct | 35322353141576 |
9 | 7135753154616 |
10 | 2021112202110 |
11 | 70a170169801 |
12 | 287856478b66 |
13 | 1187894a2961 |
14 | 6db7276cd78 |
15 | 378916ded40 |
hex | 1d693acc37e |
2021112202110 has 64 divisors (see below), whose sum is σ = 5224844390400. Its totient is φ = 498900061440.
The previous prime is 2021112202103. The next prime is 2021112202183. The reversal of 2021112202110 is 112022111202.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 2021112202110.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47222935 + ... + 47265714.
It is an arithmetic number, because the mean of its divisors is an integer number (81638193600).
Almost surely, 22021112202110 is an apocalyptic number.
2021112202110 is an abundant number, since it is smaller than the sum of its proper divisors (3203732188290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021112202110 is a wasteful number, since it uses less digits than its factorization.
2021112202110 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94488713.
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2021112202110 its reverse (112022111202), we get a palindrome (2133134313312).
It can be divided in two parts, 2021112 and 202110, that added together give a palindrome (2223222).
The spelling of 2021112202110 in words is "two trillion, twenty-one billion, one hundred twelve million, two hundred two thousand, one hundred ten".
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