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57852708130680 = 233571107106359699
BaseRepresentation
bin11010010011101111000100…
…00111100000111101111000
321120211122221200220110000220
431021313202013200331320
530040324321240140210
6323013100041300040
715120502016255001
oct1511674207407570
9246748850813026
1057852708130680
1117485217582901
1265a42aaa94620
132638643b3a178
14104012c0441a8
156a4d35b34c70
hex349de21e0f78

57852708130680 has 256 divisors, whose sum is σ = 177817586688000. Its totient is φ = 15053524093440.

The previous prime is 57852708130631. The next prime is 57852708130687. The reversal of 57852708130680 is 8603180725875.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57852708130687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 969043471 + ... + 969103169.

It is an arithmetic number, because the mean of its divisors is an integer number (694599948000).

Almost surely, 257852708130680 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 57852708130680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88908793344000).

57852708130680 is an abundant number, since it is smaller than the sum of its proper divisors (119964878557320).

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

57852708130680 is a wasteful number, since it uses less digits than its factorization.

57852708130680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60954 (or 60950 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 57852708130680 in words is "fifty-seven trillion, eight hundred fifty-two billion, seven hundred eight million, one hundred thirty thousand, six hundred eighty".