Base | Representation |
---|---|
bin | 1011100101101110… |
… | …0110010111100001 |
3 | 22000210221012011000 |
4 | 2321123212113201 |
5 | 22332410120001 |
6 | 1232411542213 |
7 | 140044143105 |
oct | 27133462741 |
9 | 8023835130 |
10 | 3111020001 |
11 | 13570a9411 |
12 | 729a5a969 |
13 | 3a76b5c4b |
14 | 217265905 |
15 | 1331c3a86 |
hex | b96e65e1 |
3111020001 has 16 divisors (see below), whose sum is σ = 4609865920. Its totient is φ = 2073587040.
The previous prime is 3111019957. The next prime is 3111020039. The reversal of 3111020001 is 1000201113.
It is not a de Polignac number, because 3111020001 - 218 = 3110757857 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (3111020041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176286 + ... + 193128.
It is an arithmetic number, because the mean of its divisors is an integer number (288116620).
Almost surely, 23111020001 is an apocalyptic number.
It is an amenable number.
3111020001 is a deficient number, since it is larger than the sum of its proper divisors (1498845919).
3111020001 is a wasteful number, since it uses less digits than its factorization.
3111020001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23693 (or 23687 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
The square root of 3111020001 is about 55776.5183657065. The cubic root of 3111020001 is about 1459.8254624970.
Adding to 3111020001 its reverse (1000201113), we get a palindrome (4111221114).
The spelling of 3111020001 in words is "three billion, one hundred eleven million, twenty thousand, one".
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