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128361126 = 2321393521
BaseRepresentation
bin1111010011010…
…10001010100110
322221112102100210
413221222022212
5230330024001
620423120250
73116023455
oct751521246
9287472323
10128361126
1166502683
1236ba3086
132079383a
1413094b9c
15b407dd6
hex7a6a2a6

128361126 has 8 divisors (see below), whose sum is σ = 256722264. Its totient is φ = 42787040.

The previous prime is 128361109. The next prime is 128361139. The reversal of 128361126 is 621163821.

It is a sphenic number, since it is the product of 3 distinct primes.

128361126 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 128361093 and 128361102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10696755 + ... + 10696766.

It is an arithmetic number, because the mean of its divisors is an integer number (32090283).

Almost surely, 2128361126 is an apocalyptic number.

128361126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

128361126 is a wasteful number, since it uses less digits than its factorization.

128361126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21393526.

The product of its digits is 3456, while the sum is 30.

The square root of 128361126 is about 11329.6569233141. The cubic root of 128361126 is about 504.4419231152.

The spelling of 128361126 in words is "one hundred twenty-eight million, three hundred sixty-one thousand, one hundred twenty-six".

Divisors: 1 2 3 6 21393521 42787042 64180563 128361126