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52871669088 = 253778678079
BaseRepresentation
bin110001001111011001…
…011010010101100000
312001110201101002001020
4301033121122111200
51331240121402323
640142223205440
73551131525560
oct611731322540
9161421332036
1052871669088
1120471751597
12a2b6746880
134ca79a13c4
1427b7c8cda0
151596a39ae3
hexc4f65a560

52871669088 has 48 divisors (see below), whose sum is σ = 158615009280. Its totient is φ = 15106190976.

The previous prime is 52871669069. The next prime is 52871669093. The reversal of 52871669088 is 88096617825.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39338368 + ... + 39339711.

It is an arithmetic number, because the mean of its divisors is an integer number (3304479360).

Almost surely, 252871669088 is an apocalyptic number.

It is an amenable number.

52871669088 is an abundant number, since it is smaller than the sum of its proper divisors (105743340192).

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

52871669088 is a wasteful number, since it uses less digits than its factorization.

52871669088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78678099 (or 78678091 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 52871669088 in words is "fifty-two billion, eight hundred seventy-one million, six hundred sixty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 78678079 157356158 236034237 314712316 472068474 550746553 629424632 944136948 1101493106 1258849264 1652239659 1888273896 2202986212 2517698528 3304479318 3776547792 4405972424 6608958636 7553095584 8811944848 13217917272 17623889696 26435834544 52871669088