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127995994 = 279142571
BaseRepresentation
bin1111010000100…
…01000001011010
322220211212111101
413220101001122
5230231332434
620411222014
73112643110
oct750210132
9286755441
10127995994
1166283315
1236a4790a
1320696599
1412ddbab0
15b384b14
hex7a1105a

127995994 has 8 divisors (see below), whose sum is σ = 219421728. Its totient is φ = 54855420.

The previous prime is 127995983. The next prime is 127995997. The reversal of 127995994 is 499599721.

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

It is not an unprimeable number, because it can be changed into a prime (127995997) 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, 4571272 + ... + 4571299.

It is an arithmetic number, because the mean of its divisors is an integer number (27427716).

Almost surely, 2127995994 is an apocalyptic number.

127995994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

127995994 is a deficient number, since it is larger than the sum of its proper divisors (91425734).

127995994 is an equidigital number, since it uses as much as digits as its factorization.

127995994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142580.

The product of its digits is 1837080, while the sum is 55.

The square root of 127995994 is about 11313.5314557392. The cubic root of 127995994 is about 503.9631623576.

The spelling of 127995994 in words is "one hundred twenty-seven million, nine hundred ninety-five thousand, nine hundred ninety-four".

Divisors: 1 2 7 14 9142571 18285142 63997997 127995994