Base | Representation |
---|---|
bin | 10011000010010100… |
… | …01101011011101001 |
3 | 222101020201211202121 |
4 | 21201022031123221 |
5 | 131412310013001 |
6 | 4410042031241 |
7 | 511155401200 |
oct | 114112153351 |
9 | 28336654677 |
10 | 10220001001 |
11 | 4374a19021 |
12 | 1b927a8521 |
13 | c6b458492 |
14 | 6cd470237 |
15 | 3ec3686a1 |
hex | 26128d6e9 |
10220001001 has 24 divisors (see below), whose sum is σ = 11949534720. Its totient is φ = 8715232512.
The previous prime is 10220000951. The next prime is 10220001013. The reversal of 10220001001 is 10010002201.
It is not a de Polignac number, because 10220001001 - 29 = 10220000489 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (7).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10220001091) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15185401 + ... + 15186073.
It is an arithmetic number, because the mean of its divisors is an integer number (497897280).
Almost surely, 210220001001 is an apocalyptic number.
It is an amenable number.
10220001001 is a deficient number, since it is larger than the sum of its proper divisors (1729533719).
10220001001 is an equidigital number, since it uses as much as digits as its factorization.
10220001001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1813 (or 1806 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 7.
Adding to 10220001001 its reverse (10010002201), we get a palindrome (20230003202).
The spelling of 10220001001 in words is "ten billion, two hundred twenty million, one thousand, one".
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