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57830105984 = 277191337919
BaseRepresentation
bin110101110110111100…
…010110001110000000
312112021021112202202012
4311312330112032000
51421414001342414
642322231512052
74115040535040
oct656674261600
9175237482665
1057830105984
1122586650622
12b25b228628
1355b8039b31
142b28611720
151786ed133e
hexd76f16380

57830105984 has 64 divisors (see below), whose sum is σ = 132356505600. Its totient is φ = 24654497280.

The previous prime is 57830105947. The next prime is 57830106001. The reversal of 57830105984 is 48950103875.

57830105984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177 + ... + 340095.

It is an arithmetic number, because the mean of its divisors is an integer number (2068070400).

Almost surely, 257830105984 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 57830105984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66178252800).

57830105984 is an abundant number, since it is smaller than the sum of its proper divisors (74526399616).

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

57830105984 is a wasteful number, since it uses less digits than its factorization.

57830105984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338131 (or 338119 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 57830105984 in words is "fifty-seven billion, eight hundred thirty million, one hundred five thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 191 224 382 448 764 896 1337 1528 2674 3056 5348 6112 10696 12224 21392 24448 42784 85568 171136 337919 675838 1351676 2365433 2703352 4730866 5406704 9461732 10813408 18923464 21626816 37846928 43253632 64542529 75693856 129085058 151387712 258170116 302775424 451797703 516340232 903595406 1032680464 1807190812 2065360928 3614381624 4130721856 7228763248 8261443712 14457526496 28915052992 57830105984