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136271553 = 31119217339
BaseRepresentation
bin10000001111101…
…01011011000001
3100111102022102120
420013311123001
5234341142203
621304434453
73243201105
oct1007653301
9314368376
10136271553
116aa15920
1239778a29
1322303272
1414153905
15be6bb53
hex81f56c1

136271553 has 16 divisors (see below), whose sum is σ = 208646400. Its totient is φ = 78241680.

The previous prime is 136271543. The next prime is 136271557. The reversal of 136271553 is 355172631.

It is not a de Polignac number, because 136271553 - 210 = 136270529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (136271557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108043 + ... + 109296.

It is an arithmetic number, because the mean of its divisors is an integer number (13040400).

Almost surely, 2136271553 is an apocalyptic number.

It is an amenable number.

136271553 is a deficient number, since it is larger than the sum of its proper divisors (72374847).

136271553 is a wasteful number, since it uses less digits than its factorization.

136271553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217372.

The product of its digits is 18900, while the sum is 33.

The square root of 136271553 is about 11673.5407225057. The cubic root of 136271553 is about 514.5983647085.

The spelling of 136271553 in words is "one hundred thirty-six million, two hundred seventy-one thousand, five hundred fifty-three".

Divisors: 1 3 11 19 33 57 209 627 217339 652017 2390729 4129441 7172187 12388323 45423851 136271553