Base | Representation |
---|---|
bin | 111110100111010… |
… | …1011100000010100 |
3 | 12102102101212110200 |
4 | 1331032223200110 |
5 | 13300324001322 |
6 | 544251420500 |
7 | 103031131023 |
oct | 17516534024 |
9 | 5372355420 |
10 | 2101000212 |
11 | 988a61613 |
12 | 4a7754730 |
13 | 27637b1bc |
14 | 15d06a8ba |
15 | c46b38ac |
hex | 7d3ab814 |
2101000212 has 72 divisors (see below), whose sum is σ = 5416721856. Its totient is φ = 686513664.
The previous prime is 2101000211. The next prime is 2101000229. The reversal of 2101000212 is 2120001012.
2101000212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 2101000194 and 2101000203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2101000211) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370833 + ... + 376455.
It is an arithmetic number, because the mean of its divisors is an integer number (75232248).
Almost surely, 22101000212 is an apocalyptic number.
It is an amenable number.
2101000212 is an abundant number, since it is smaller than the sum of its proper divisors (3315721644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101000212 is a wasteful number, since it uses less digits than its factorization.
2101000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5837 (or 5832 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
The square root of 2101000212 is about 45836.6688580224. The cubic root of 2101000212 is about 1280.7824423445.
Adding to 2101000212 its reverse (2120001012), we get a palindrome (4221001224).
The spelling of 2101000212 in words is "two billion, one hundred one million, two hundred twelve", and thus it is an aban number.
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