Base | Representation |
---|---|
bin | 1011001011101111… |
… | …0101110001110100 |
3 | 21202012211222122111 |
4 | 2302323311301310 |
5 | 22122004444340 |
6 | 1213515540404 |
7 | 134251562416 |
oct | 26273656164 |
9 | 7665758574 |
10 | 3002031220 |
11 | 1300628541 |
12 | 6b945a704 |
13 | 38ac45c46 |
14 | 2069b49b6 |
15 | 128845aea |
hex | b2ef5c74 |
3002031220 has 12 divisors (see below), whose sum is σ = 6304265604. Its totient is φ = 1200812480.
The previous prime is 3002031209. The next prime is 3002031281. The reversal of 3002031220 is 221302003.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1804040676 + 1197990544 = 42474^2 + 34612^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 3002031220.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 75050761 + ... + 75050800.
It is an arithmetic number, because the mean of its divisors is an integer number (525355467).
Almost surely, 23002031220 is an apocalyptic number.
It is an amenable number.
3002031220 is an abundant number, since it is smaller than the sum of its proper divisors (3302234384).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3002031220 is a wasteful number, since it uses less digits than its factorization.
3002031220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 150101570 (or 150101568 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 13.
The square root of 3002031220 is about 54790.7950298223. The cubic root of 3002031220 is about 1442.5749997799.
Adding to 3002031220 its reverse (221302003), we get a palindrome (3223333223).
The spelling of 3002031220 in words is "three billion, two million, thirty-one thousand, two hundred twenty".
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