Base | Representation |
---|---|
bin | 10010110100001001… |
… | …010100011010111001 |
3 | 1221010221000122121002 |
4 | 102310021110122321 |
5 | 312333231223001 |
6 | 13140351254345 |
7 | 1313425650230 |
oct | 226411243271 |
9 | 57127018532 |
10 | 20202211001 |
11 | 8627692155 |
12 | 3ab981a3b5 |
13 | 1b9c55740b |
14 | d990c1b17 |
15 | 7d38b046b |
hex | 4b42546b9 |
20202211001 has 8 divisors (see below), whose sum is σ = 24446373120. Its totient is φ = 16297581888.
The previous prime is 20202210989. The next prime is 20202211021. The reversal of 20202211001 is 10011220202.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-20202211001 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20202211021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84883121 + ... + 84883358.
It is an arithmetic number, because the mean of its divisors is an integer number (3055796640).
Almost surely, 220202211001 is an apocalyptic number.
It is an amenable number.
20202211001 is a deficient number, since it is larger than the sum of its proper divisors (4244162119).
20202211001 is a wasteful number, since it uses less digits than its factorization.
20202211001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 169766503.
The product of its (nonzero) digits is 16, while the sum is 11.
Adding to 20202211001 its reverse (10011220202), we get a palindrome (30213431203).
The spelling of 20202211001 in words is "twenty billion, two hundred two million, two hundred eleven thousand, one".
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