Search a number
-
+
57080909952000 = 21038531137167
BaseRepresentation
bin11001111101010001011110…
…10111000111010000000000
321111002212210202110200000000
430332220233113013100000
524440203200421431000
6321222335200000000
715010650106061244
oct1476505727072000
9244085722420000
1057080909952000
1117207972631960
12649a7b5300000
1325b092585283c
141014a333a6424
1568ec13673000
hex33ea2f5c7400

57080909952000 has 3168 divisors, whose sum is σ = 240744180208896. Its totient is φ = 13383180288000.

The previous prime is 57080909951999. The next prime is 57080909952091. The reversal of 57080909952000 is 25990908075.

It is a tau number, because it is divible by the number of its divisors (3168).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 341801855917 + ... + 341801856083.

Almost surely, 257080909952000 is an apocalyptic number.

57080909952000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57080909952000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120372090104448).

57080909952000 is an abundant number, since it is smaller than the sum of its proper divisors (183663270256896).

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

57080909952000 is an equidigital number, since it uses as much as digits as its factorization.

57080909952000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 54.

The spelling of 57080909952000 in words is "fifty-seven trillion, eighty billion, nine hundred nine million, nine hundred fifty-two thousand".