Base | Representation |
---|---|
bin | 10010101011110011… |
… | …01001110000100001 |
3 | 221220002022020200002 |
4 | 21111321221300201 |
5 | 131020431024301 |
6 | 4335213305345 |
7 | 503403016106 |
oct | 112571516041 |
9 | 27802266602 |
10 | 10031111201 |
11 | 4288334351 |
12 | 1b3b495255 |
13 | c3b291177 |
14 | 6b2340aad |
15 | 3da9a616b |
hex | 255e69c21 |
10031111201 has 4 divisors (see below), whose sum is σ = 10051054272. Its totient is φ = 10011168132.
The previous prime is 10031111143. The next prime is 10031111203. The reversal of 10031111201 is 10211113001.
It is a happy number.
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 an emirpimes, since its reverse is a distinct semiprime: 10211113001 = 8219 ⋅1242379.
It is a cyclic number.
It is not a de Polignac number, because 10031111201 - 226 = 9964002337 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10031111203) 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, 9970781 + ... + 9971786.
It is an arithmetic number, because the mean of its divisors is an integer number (2512763568).
Almost surely, 210031111201 is an apocalyptic number.
It is an amenable number.
10031111201 is a deficient number, since it is larger than the sum of its proper divisors (19943071).
10031111201 is an equidigital number, since it uses as much as digits as its factorization.
10031111201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19943070.
The product of its (nonzero) digits is 6, while the sum is 11.
Adding to 10031111201 its reverse (10211113001), we get a palindrome (20242224202).
The spelling of 10031111201 in words is "ten billion, thirty-one million, one hundred eleven thousand, two hundred one".
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