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127157133 = 3233159447
BaseRepresentation
bin1111001010001…
…00001110001101
322212021020210110
413211010032031
5230023012013
620341230233
73102550335
oct745041615
9285236713
10127157133
1165860044
1236702379
132046180c
1412c600c5
15b26b2c3
hex794438d

127157133 has 16 divisors (see below), whose sum is σ = 182624256. Its totient is φ = 78468720.

The previous prime is 127157119. The next prime is 127157171. The reversal of 127157133 is 331751721.

It is not a de Polignac number, because 127157133 - 24 = 127157117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127157133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127157183) 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, 27585 + ... + 31862.

It is an arithmetic number, because the mean of its divisors is an integer number (11414016).

Almost surely, 2127157133 is an apocalyptic number.

It is an amenable number.

127157133 is a deficient number, since it is larger than the sum of its proper divisors (55467123).

127157133 is a wasteful number, since it uses less digits than its factorization.

127157133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59504.

The product of its digits is 4410, while the sum is 30.

The square root of 127157133 is about 11276.3971639882. The cubic root of 127157133 is about 502.8597893583.

The spelling of 127157133 in words is "one hundred twenty-seven million, one hundred fifty-seven thousand, one hundred thirty-three".

Divisors: 1 3 23 31 69 93 713 2139 59447 178341 1367281 1842857 4101843 5528571 42385711 127157133