Base | Representation |
---|---|
bin | 1011010010011100… |
… | …0101101101010000 |
3 | 21211011202100200220 |
4 | 2310213011231100 |
5 | 22201204131442 |
6 | 1220402313040 |
7 | 135042546345 |
oct | 26447055520 |
9 | 7734670626 |
10 | 3030145872 |
11 | 1315490496 |
12 | 706958780 |
13 | 393a0aa30 |
14 | 20a6127cc |
15 | 12b04aeec |
hex | b49c5b50 |
3030145872 has 40 divisors (see below), whose sum is σ = 8430022944. Its totient is φ = 932352384.
The previous prime is 3030145843. The next prime is 3030145873. The reversal of 3030145872 is 2785410303.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3030145873) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2427378 + ... + 2428625.
Almost surely, 23030145872 is an apocalyptic number.
It is an amenable number.
3030145872 is an abundant number, since it is smaller than the sum of its proper divisors (5399877072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3030145872 is a wasteful number, since it uses less digits than its factorization.
3030145872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4856027 (or 4856021 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 3030145872 is about 55046.7607766343. The cubic root of 3030145872 is about 1447.0643533742.
The spelling of 3030145872 in words is "three billion, thirty million, one hundred forty-five thousand, eight hundred seventy-two".
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