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127165216 = 257195527
BaseRepresentation
bin1111001010001…
…10001100100000
322212021122212211
413211012030200
5230023241331
620341331504
73102613033
oct745061440
9285248784
10127165216
1165866122
1236706b94
13204653b9
1412c6301a
15b26d8b1
hex7946320

127165216 has 24 divisors (see below), whose sum is σ = 250750080. Its totient is φ = 63482688.

The previous prime is 127165211. The next prime is 127165217. The reversal of 127165216 is 612561721.

It is not an unprimeable number, because it can be changed into a prime (127165211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20245 + ... + 25771.

It is an arithmetic number, because the mean of its divisors is an integer number (10447920).

Almost surely, 2127165216 is an apocalyptic number.

127165216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

127165216 is a deficient number, since it is larger than the sum of its proper divisors (123584864).

127165216 is an equidigital number, since it uses as much as digits as its factorization.

127165216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256 (or 6248 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 127165216 is about 11276.7555617740. The cubic root of 127165216 is about 502.8704442320.

The spelling of 127165216 in words is "one hundred twenty-seven million, one hundred sixty-five thousand, two hundred sixteen".

Divisors: 1 2 4 8 16 32 719 1438 2876 5527 5752 11054 11504 22108 23008 44216 88432 176864 3973913 7947826 15895652 31791304 63582608 127165216