Base | Representation |
---|---|
bin | 1011100011100100… |
… | …1100101110111001 |
3 | 22000011222000220212 |
4 | 2320321030232321 |
5 | 22323103031410 |
6 | 1231450400505 |
7 | 136604403626 |
oct | 27071145671 |
9 | 8004860825 |
10 | 3102002105 |
11 | 1351aaa104 |
12 | 726a30135 |
13 | 3a5879407 |
14 | 215d9934d |
15 | 1324e1b05 |
hex | b8e4cbb9 |
3102002105 has 4 divisors (see below), whose sum is σ = 3722402532. Its totient is φ = 2481601680.
The previous prime is 3102002093. The next prime is 3102002107. The reversal of 3102002105 is 5012002013.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 874917241 + 2227084864 = 29579^2 + 47192^2 .
It is not a de Polignac number, because 3102002105 - 24 = 3102002089 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 3102002105.
It is not an unprimeable number, because it can be changed into a prime (3102002107) 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, 310200206 + ... + 310200215.
It is an arithmetic number, because the mean of its divisors is an integer number (930600633).
Almost surely, 23102002105 is an apocalyptic number.
It is an amenable number.
3102002105 is a deficient number, since it is larger than the sum of its proper divisors (620400427).
3102002105 is an equidigital number, since it uses as much as digits as its factorization.
3102002105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 620400426.
The product of its (nonzero) digits is 60, while the sum is 14.
The square root of 3102002105 is about 55695.6201599372. The cubic root of 3102002105 is about 1458.4135681425.
Adding to 3102002105 its reverse (5012002013), we get a palindrome (8114004118).
The spelling of 3102002105 in words is "three billion, one hundred two million, two thousand, one hundred five".
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