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134800081 = 1333131327
BaseRepresentation
bin10000000100011…
…10001011010001
3100101122112221121
420002032023101
5234002100311
621213122241
73224532103
oct1002161321
9311575847
10134800081
116a100329
1239189381
1321c09580
1413c8d573
15bc7ab71
hex808e2d1

134800081 has 8 divisors (see below), whose sum is σ = 145612544. Its totient is φ = 124050960.

The previous prime is 134800069. The next prime is 134800097. The reversal of 134800081 is 180008431.

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

It is a cyclic number.

It is not a de Polignac number, because 134800081 - 25 = 134800049 is a prime.

It is a super-2 number, since 2×1348000812 = 36342123675213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134800031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11361 + ... + 19966.

It is an arithmetic number, because the mean of its divisors is an integer number (18201568).

Almost surely, 2134800081 is an apocalyptic number.

It is an amenable number.

134800081 is a deficient number, since it is larger than the sum of its proper divisors (10812463).

134800081 is a wasteful number, since it uses less digits than its factorization.

134800081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31671.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 134800081 is about 11610.3437072293. The cubic root of 134800081 is about 512.7394317289.

The spelling of 134800081 in words is "one hundred thirty-four million, eight hundred thousand, eighty-one".

Divisors: 1 13 331 4303 31327 407251 10369237 134800081