Search a number
-
+
51005611060 = 22553277173713
BaseRepresentation
bin101111100000001010…
…111101110000110100
311212122200001111122221
4233200022331300310
51313424414023220
635233123132124
73453652353265
oct574012756064
9155580044587
1051005611060
111a6a4379578
129a75814044
134a6b1c2b61
14267c0dc96c
1514d7cd39aa
hexbe02bdc34

51005611060 has 48 divisors (see below), whose sum is σ = 109527371856. Its totient is φ = 19944916992.

The previous prime is 51005611039. The next prime is 51005611067. The reversal of 51005611060 is 6011650015.

51005611060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 568536336 + 50437074724 = 23844^2 + 224582^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51005611067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206764 + ... + 380476.

It is an arithmetic number, because the mean of its divisors is an integer number (2281820247).

Almost surely, 251005611060 is an apocalyptic number.

It is an amenable number.

51005611060 is an abundant number, since it is smaller than the sum of its proper divisors (58521760796).

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

51005611060 is a wasteful number, since it uses less digits than its factorization.

51005611060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174052 (or 174050 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 51005611060 in words is "fifty-one billion, five million, six hundred eleven thousand, sixty".

Divisors: 1 2 4 5 10 20 53 106 212 265 277 530 554 1060 1108 1385 2770 5540 14681 29362 58724 73405 146810 173713 293620 347426 694852 868565 1737130 3474260 9206789 18413578 36827156 46033945 48118501 92067890 96237002 184135780 192474004 240592505 481185010 962370020 2550280553 5100561106 10201122212 12751402765 25502805530 51005611060