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128558052000 = 25325371015051
BaseRepresentation
bin111011110111010101…
…0000011001010100000
3110021211102122200211100
41313232222003022200
54101241330131000
6135020405114400
712200534261220
oct1675652031240
9407742580740
10128558052000
114a58073a274
1220ab99b8a00
13c17a229971
146317b98080
153526484a00
hex1deea832a0

128558052000 has 576 divisors, whose sum is σ = 526698402048. Its totient is φ = 29088000000.

The previous prime is 128558051987. The next prime is 128558052011. The reversal of 128558052000 is 250855821.

128558052000 is a `hidden beast` number, since 1 + 2 + 8 + 55 + 80 + 520 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25449475 + ... + 25454525.

It is an arithmetic number, because the mean of its divisors is an integer number (914406948).

Almost surely, 2128558052000 is an apocalyptic number.

128558052000 is a gapful number since it is divisible by the number (10) 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 128558052000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263349201024).

128558052000 is an abundant number, since it is smaller than the sum of its proper divisors (398140350048).

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

128558052000 is a wasteful number, since it uses less digits than its factorization.

128558052000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5190 (or 5169 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The spelling of 128558052000 in words is "one hundred twenty-eight billion, five hundred fifty-eight million, fifty-two thousand".