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3020216845 = 512712233889
BaseRepresentation
bin1011010000000100…
…1101101000001101
321210111001220122011
42310001031220031
522141133414340
61215405421221
7134562263632
oct26401155015
97714056564
103020216845
11130a919688
1270356a811
13391942579
1420918a189
1512a2390ea
hexb404da0d

3020216845 has 16 divisors (see below), whose sum is σ = 3656724480. Its totient is φ = 2394572544.

The previous prime is 3020216833. The next prime is 3020216891. The reversal of 3020216845 is 5486120203.

It is a cyclic number.

It is not a de Polignac number, because 3020216845 - 217 = 3020085773 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774661 + ... + 778549.

It is an arithmetic number, because the mean of its divisors is an integer number (228545280).

Almost surely, 23020216845 is an apocalyptic number.

It is an amenable number.

3020216845 is a deficient number, since it is larger than the sum of its proper divisors (636507635).

3020216845 is a wasteful number, since it uses less digits than its factorization.

3020216845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 3020216845 is about 54956.4995701145. The cubic root of 3020216845 is about 1445.4820683784.

The spelling of 3020216845 in words is "three billion, twenty million, two hundred sixteen thousand, eight hundred forty-five".

Divisors: 1 5 127 635 1223 3889 6115 19445 155321 493903 776605 2469515 4756247 23781235 604043369 3020216845