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128234466360 = 2334571113192081
BaseRepresentation
bin111011101101101011…
…1101010110000111000
3110020222212202211210000
41313123113222300320
54100111010410420
6134524325353000
712156524656650
oct1673327526070
9406885684700
10128234466360
114a425016620
1220a29568760
13c128191680
1462c6c05360
153507d67690
hex1ddb5eac38

128234466360 has 1280 divisors, whose sum is σ = 609449702400. Its totient is φ = 23290675200.

The previous prime is 128234466301. The next prime is 128234466377. The reversal of 128234466360 is 63664432821.

128234466360 is a `hidden beast` number, since 1 + 2 + 8 + 2 + 3 + 4 + 4 + 6 + 636 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 61620520 + ... + 61622600.

It is an arithmetic number, because the mean of its divisors is an integer number (476132580).

Almost surely, 2128234466360 is an apocalyptic number.

128234466360 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 128234466360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304724851200).

128234466360 is an abundant number, since it is smaller than the sum of its proper divisors (481215236040).

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

128234466360 is a wasteful number, since it uses less digits than its factorization.

128234466360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 128234466360 in words is "one hundred twenty-eight billion, two hundred thirty-four million, four hundred sixty-six thousand, three hundred sixty".