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57004941127680 = 2123457131797229
BaseRepresentation
bin11001111011000011111110…
…10001000011000000000000
321110211121201100201112110000
430331201333101003000000
524432432104412041210
6321123413004240000
715002320403526360
oct1475417721030000
9243747640645400
1057004941127680
1117188729172827
126487b33540000
1325a67099365a0
1410110a7b789a0
1568cc69036ac0
hex33d87f443000

57004941127680 has 4160 divisors, whose sum is σ = 270220308906240. Its totient is φ = 11154298503168.

The previous prime is 57004941127657. The next prime is 57004941127711. The reversal of 57004941127680 is 8672114940075.

57004941127680 is a `hidden beast` number, since 5 + 7 + 0 + 0 + 494 + 1 + 1 + 2 + 76 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (4160).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 248929873806 + ... + 248929874034.

Almost surely, 257004941127680 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 57004941127680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135110154453120).

57004941127680 is an abundant number, since it is smaller than the sum of its proper divisors (213215367778560).

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

57004941127680 is a wasteful number, since it uses less digits than its factorization.

57004941127680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 57004941127680 in words is "fifty-seven trillion, four billion, nine hundred forty-one million, one hundred twenty-seven thousand, six hundred eighty".