Search a number
-
+
4945216560 = 243520605069
BaseRepresentation
bin1001001101100001…
…00000010000110000
3110202122022000210220
410212300200100300
540111433412220
62134413053040
7233355434664
oct44660402060
913678260726
104945216560
11210849a439
12b60187180
1360a6ba15b
1434cac08a4
151de234540
hex126c20430

4945216560 has 40 divisors (see below), whose sum is σ = 15330172080. Its totient is φ = 1318724352.

The previous prime is 4945216553. The next prime is 4945216579. The reversal of 4945216560 is 656125494.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10302295 + ... + 10302774.

It is an arithmetic number, because the mean of its divisors is an integer number (383254302).

Almost surely, 24945216560 is an apocalyptic number.

4945216560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4945216560 is an abundant number, since it is smaller than the sum of its proper divisors (10384955520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4945216560 is a wasteful number, since it uses less digits than its factorization.

4945216560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20605085 (or 20605079 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 4945216560 is about 70322.2337529177. The cubic root of 4945216560 is about 1703.7077735117.

The spelling of 4945216560 in words is "four billion, nine hundred forty-five million, two hundred sixteen thousand, five hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 20605069 41210138 61815207 82420276 103025345 123630414 164840552 206050690 247260828 309076035 329681104 412101380 494521656 618152070 824202760 989043312 1236304140 1648405520 2472608280 4945216560