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52088281664 = 264744938567
BaseRepresentation
bin110000100000101101…
…000001101001000000
311222110010021212112012
4300200231001221000
51323134100003124
635532400352052
73522540042326
oct604055015100
9158403255465
1052088281664
11200aa527a71
12a118315628
134bb15b6b53
142741c09d16
15154cd94e0e
hexc20b41a40

52088281664 has 56 divisors (see below), whose sum is σ = 105799737600. Its totient is φ = 25432580096.

The previous prime is 52088281649. The next prime is 52088281669. The reversal of 52088281664 is 46618288025.

It is not an unprimeable number, because it can be changed into a prime (52088281669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331309 + ... + 1369875.

Almost surely, 252088281664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52088281664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52899868800).

52088281664 is an abundant number, since it is smaller than the sum of its proper divisors (53711455936).

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

52088281664 is a wasteful number, since it uses less digits than its factorization.

52088281664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39075 (or 39065 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 50.

The spelling of 52088281664 in words is "fifty-two billion, eighty-eight million, two hundred eighty-one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 32 47 64 94 188 376 449 752 898 1504 1796 3008 3592 7184 14368 21103 28736 38567 42206 77134 84412 154268 168824 308536 337648 617072 675296 1234144 1350592 1812649 2468288 3625298 7250596 14501192 17316583 29002384 34633166 58004768 69266332 116009536 138532664 277065328 554130656 813879401 1108261312 1627758802 3255517604 6511035208 13022070416 26044140832 52088281664