Base | Representation |
---|---|
bin | 1100010010000101001… |
… | …1010100101010011010 |
3 | 202011122210111212220110 |
4 | 3010201103110222122 |
5 | 11424123100023002 |
6 | 240534305505150 |
7 | 21150035230620 |
oct | 3044123245232 |
9 | 664583455813 |
10 | 211012111002 |
11 | 81542921190 |
12 | 34a8b6421b6 |
13 | 16b8a8c71a4 |
14 | a2da825510 |
15 | 5750106e6c |
hex | 31214d4a9a |
211012111002 has 64 divisors (see below), whose sum is σ = 526269477888. Its totient is φ = 54796944000.
The previous prime is 211012110983. The next prime is 211012111003. The reversal of 211012111002 is 200111210112.
It is a super-2 number, since 2×2110121110022 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (211012111003) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2302477 + ... + 2392367.
It is an arithmetic number, because the mean of its divisors is an integer number (8222960592).
Almost surely, 2211012111002 is an apocalyptic number.
211012111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
211012111002 is an abundant number, since it is smaller than the sum of its proper divisors (315257366886).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
211012111002 is a wasteful number, since it uses less digits than its factorization.
211012111002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94995.
The product of its (nonzero) digits is 8, while the sum is 12.
Adding to 211012111002 its reverse (200111210112), we get a palindrome (411123321114).
The spelling of 211012111002 in words is "two hundred eleven billion, twelve million, one hundred eleven thousand, two".
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