Base | Representation |
---|---|
bin | 1011101001011110001… |
… | …1101100011010110010 |
3 | 201010112002112211222011 |
4 | 2322113203230122302 |
5 | 11234311432242320 |
6 | 231532501433134 |
7 | 20312641144600 |
oct | 2722743543262 |
9 | 633462484864 |
10 | 200111212210 |
11 | 77959620618 |
12 | 32948a0b7aa |
13 | 15b4138a210 |
14 | 9984b90870 |
15 | 53130e105a |
hex | 2e978ec6b2 |
200111212210 has 48 divisors (see below), whose sum is σ = 451239802776. Its totient is φ = 63331898112.
The previous prime is 200111212177. The next prime is 200111212267. The reversal of 200111212210 is 12212111002.
It can be written as a sum of positive squares in 4 ways, for example, as 55810755049 + 144300457161 = 236243^2 + 379869^2 .
It is a Harshad number since it is a multiple of its sum of digits (13).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15700947 + ... + 15713686.
Almost surely, 2200111212210 is an apocalyptic number.
200111212210 is an abundant number, since it is smaller than the sum of its proper divisors (251128590566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200111212210 is a wasteful number, since it uses less digits than its factorization.
200111212210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31414667 (or 31414660 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 200111212210 its reverse (12212111002), we get a palindrome (212323323212).
The spelling of 200111212210 in words is "two hundred billion, one hundred eleven million, two hundred twelve thousand, two hundred ten".
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