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128097070 = 2533738011
BaseRepresentation
bin1111010001010…
…01101100101110
322221001000010221
413220221230232
5230243101240
620413321554
73113543563
oct750515456
9287030127
10128097070
1166342252
1236a962ba
13207005aa
141302686a
15b3a4a4a
hex7a29b2e

128097070 has 16 divisors (see below), whose sum is σ = 231265008. Its totient is φ = 51085440.

The previous prime is 128097061. The next prime is 128097103. The reversal of 128097070 is 70790821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15636 + ... + 22375.

It is an arithmetic number, because the mean of its divisors is an integer number (14454063).

Almost surely, 2128097070 is an apocalyptic number.

128097070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128097070 is a deficient number, since it is larger than the sum of its proper divisors (103167938).

128097070 is a wasteful number, since it uses less digits than its factorization.

128097070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38355.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 128097070 is about 11317.9976144193. The cubic root of 128097070 is about 504.0957841594.

The spelling of 128097070 in words is "one hundred twenty-eight million, ninety-seven thousand, seventy".

Divisors: 1 2 5 10 337 674 1685 3370 38011 76022 190055 380110 12809707 25619414 64048535 128097070