Base | Representation |
---|---|
bin | 10010110100000000… |
… | …111000101011010100 |
3 | 1221010202212022222000 |
4 | 102310000320223110 |
5 | 312332200001322 |
6 | 13140232035300 |
7 | 1313401111620 |
oct | 226400705324 |
9 | 57122768860 |
10 | 20200000212 |
11 | 8626412157 |
12 | 3ab8b32b30 |
13 | 1b9bc62062 |
14 | d98aa8180 |
15 | 7d35c53ac |
hex | 4b4038ad4 |
20200000212 has 96 divisors (see below), whose sum is σ = 61311747840. Its totient is φ = 5630653440.
The previous prime is 20200000201. The next prime is 20200000231. The reversal of 20200000212 is 21200000202.
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 = 20200000194 and 20200000203.
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, 294853 + ... + 356844.
It is an arithmetic number, because the mean of its divisors is an integer number (638664040).
Almost surely, 220200000212 is an apocalyptic number.
It is an amenable number.
20200000212 is an abundant number, since it is smaller than the sum of its proper divisors (41111747628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20200000212 is a wasteful number, since it uses less digits than its factorization.
20200000212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 651758 (or 651750 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
Adding to 20200000212 its reverse (21200000202), we get a palindrome (41400000414).
The spelling of 20200000212 in words is "twenty billion, two hundred million, two hundred twelve", and thus it is an aban number.
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