Base | Representation |
---|---|
bin | 10010101001111101… |
… | …000000011011000010 |
3 | 1220201000020221222012 |
4 | 102221331000123002 |
5 | 312010442224302 |
6 | 13111402212522 |
7 | 1306251325442 |
oct | 225175003302 |
9 | 56630227865 |
10 | 20031211202 |
11 | 854a107502 |
12 | 3a704b4142 |
13 | 1b72cb4cc2 |
14 | d804cc122 |
15 | 7c3883a52 |
hex | 4a9f406c2 |
20031211202 has 16 divisors (see below), whose sum is σ = 30541674240. Its totient is φ = 9851707632.
The previous prime is 20031211199. The next prime is 20031211223. The reversal of 20031211202 is 20211213002.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225458 + ... + 301485.
It is an arithmetic number, because the mean of its divisors is an integer number (1908854640).
Almost surely, 220031211202 is an apocalyptic number.
20031211202 is a deficient number, since it is larger than the sum of its proper divisors (10510463038).
20031211202 is a wasteful number, since it uses less digits than its factorization.
20031211202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 527257.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 20031211202 its reverse (20211213002), we get a palindrome (40242424204).
The spelling of 20031211202 in words is "twenty billion, thirty-one million, two hundred eleven thousand, two hundred two".
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