Base | Representation |
---|---|
bin | 1011101001001000110… |
… | …0000001100011000110 |
3 | 201010021211000202100220 |
4 | 2322102030001203012 |
5 | 11234120401334342 |
6 | 231515522445210 |
7 | 20310465322626 |
oct | 2722214014306 |
9 | 633254022326 |
10 | 200021121222 |
11 | 7791278795a |
12 | 32922803806 |
13 | 15b28805a40 |
14 | 9976c1c886 |
15 | 530a2475ec |
hex | 2e923018c6 |
200021121222 has 32 divisors (see below), whose sum is σ = 434767169760. Its totient is φ = 60980325120.
The previous prime is 200021121217. The next prime is 200021121259. The reversal of 200021121222 is 222121120002.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11754679 + ... + 11771682.
It is an arithmetic number, because the mean of its divisors is an integer number (13586474055).
Almost surely, 2200021121222 is an apocalyptic number.
200021121222 is an abundant number, since it is smaller than the sum of its proper divisors (234746048538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200021121222 is a wasteful number, since it uses less digits than its factorization.
200021121222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23526488.
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 200021121222 its reverse (222121120002), we get a palindrome (422142241224).
The spelling of 200021121222 in words is "two hundred billion, twenty-one million, one hundred twenty-one thousand, two hundred twenty-two".
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