Base | Representation |
---|---|
bin | 1111010010000101… |
… | …1010111111010101 |
3 | 101120220101121121000 |
4 | 3310201122333111 |
5 | 31400203331010 |
6 | 1515024413513 |
7 | 203442561462 |
oct | 36441327725 |
9 | 11526347530 |
10 | 4102402005 |
11 | 1815776389 |
12 | 965a77299 |
13 | 504bc6610 |
14 | 2acbac669 |
15 | 1902517c0 |
hex | f485afd5 |
4102402005 has 128 divisors (see below), whose sum is σ = 8755084800. Its totient is φ = 1800548352.
The previous prime is 4102402001. The next prime is 4102402009. The reversal of 4102402005 is 5002042014.
It is an interprime number because it is at equal distance from previous prime (4102402001) and next prime (4102402009).
It is not a de Polignac number, because 4102402005 - 22 = 4102402001 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4102402001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 563247 + ... + 570483.
It is an arithmetic number, because the mean of its divisors is an integer number (68399100).
Almost surely, 24102402005 is an apocalyptic number.
4102402005 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
4102402005 is an abundant number, since it is smaller than the sum of its proper divisors (4652682795).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
4102402005 is a wasteful number, since it uses less digits than its factorization.
4102402005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7300 (or 7294 counting only the distinct ones).
The product of its (nonzero) digits is 320, while the sum is 18.
The square root of 4102402005 is about 64049.9961358313. The cubic root of 4102402005 is about 1600.8331604780.
Adding to 4102402005 its reverse (5002042014), we get a palindrome (9104444019).
The spelling of 4102402005 in words is "four billion, one hundred two million, four hundred two thousand, five".
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