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128116324 = 2274575583
BaseRepresentation
bin1111010001011…
…10011001100100
322221001222120001
413220232121210
5230244210244
620413551044
73113653660
oct750563144
9287058501
10128116324
1166355766
1236aa5484
132070929b
141302d8a0
15b3aa5d4
hex7a2e664

128116324 has 12 divisors (see below), whose sum is σ = 256232704. Its totient is φ = 54906984.

The previous prime is 128116291. The next prime is 128116333. The reversal of 128116324 is 423611821.

128116324 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4575583 = 128116324 / (1 + 2 + 8 + 1 + 1 + 6 + 3 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 128116292 and 128116301.

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, 2287764 + ... + 2287819.

Almost surely, 2128116324 is an apocalyptic number.

128116324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128116324 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.

128116324 is a wasteful number, since it uses less digits than its factorization.

128116324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575594 (or 4575592 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 128116324 is about 11318.8481746156. The cubic root of 128116324 is about 504.1210394183.

The spelling of 128116324 in words is "one hundred twenty-eight million, one hundred sixteen thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 4575583 9151166 18302332 32029081 64058162 128116324