Base | Representation |
---|---|
bin | 10100011111010111… |
… | …100011000010011001 |
3 | 2002210021221211111201 |
4 | 110133113203002121 |
5 | 330024240244001 |
6 | 14035051554201 |
7 | 1406131201303 |
oct | 243727430231 |
9 | 62707854451 |
10 | 22001103001 |
11 | 937005a359 |
12 | 432015b961 |
13 | 20c814a057 |
14 | 10c9d8a973 |
15 | 88b79a501 |
hex | 51f5e3099 |
22001103001 has 4 divisors (see below), whose sum is σ = 22001414400. Its totient is φ = 22000791604.
The previous prime is 22001102971. The next prime is 22001103013. The reversal of 22001103001 is 10030110022.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 22001103001 - 231 = 19853619353 is a prime.
It is a super-2 number, since 2×220011030012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22001103101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6840 + ... + 209878.
It is an arithmetic number, because the mean of its divisors is an integer number (5500353600).
Almost surely, 222001103001 is an apocalyptic number.
It is an amenable number.
22001103001 is a deficient number, since it is larger than the sum of its proper divisors (311399).
22001103001 is a wasteful number, since it uses less digits than its factorization.
22001103001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 311398.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 22001103001 its reverse (10030110022), we get a palindrome (32031213023).
The spelling of 22001103001 in words is "twenty-two billion, one million, one hundred three thousand, one".
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