Search a number
-
+
2720864545375 = 531914937920287
BaseRepresentation
bin100111100110000000001…
…010100010101001011111
3100122010000201122222020211
4213212000022202221133
5324034312310423000
65441540425553251
7400401363016654
oct47460012425137
910563021588224
102720864545375
11959a04115209
1237b3a4045827
1316976553a942
1495994c07c2b
154ab98b777ba
hex279802a2a5f

2720864545375 has 64 divisors (see below), whose sum is σ = 3608017920000. Its totient is φ = 2042783971200.

The previous prime is 2720864545369. The next prime is 2720864545379. The reversal of 2720864545375 is 5735454680272.

It is not a de Polignac number, because 2720864545375 - 231 = 2718717061727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720864545379) 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 63 ways as a sum of consecutive naturals, for example, 134108482 + ... + 134128768.

It is an arithmetic number, because the mean of its divisors is an integer number (56375280000).

Almost surely, 22720864545375 is an apocalyptic number.

2720864545375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2720864545375 is a deficient number, since it is larger than the sum of its proper divisors (887153374625).

2720864545375 is a wasteful number, since it uses less digits than its factorization.

2720864545375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20849 (or 20839 counting only the distinct ones).

The product of its (nonzero) digits is 56448000, while the sum is 58.

The spelling of 2720864545375 in words is "two trillion, seven hundred twenty billion, eight hundred sixty-four million, five hundred forty-five thousand, three hundred seventy-five".

Divisors: 1 5 19 25 95 125 149 379 475 745 1895 2375 2831 3725 7201 9475 14155 18625 20287 36005 47375 56471 70775 101435 180025 282355 353875 385453 507175 900125 1072949 1411775 1927265 2535875 3022763 5364745 7058875 7688773 9636325 15113815 26823725 38443865 48181625 57432497 75569075 134118625 146086687 192219325 287162485 377845375 730433435 961096625 1145627177 1435812425 3652167175 5728135885 7179062125 18260835875 21766916363 28640679425 108834581815 143203397125 544172909075 2720864545375