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80042127 = 3114159159
BaseRepresentation
bin1001100010101…
…01100010001111
312120121120011020
410301111202033
5130442322002
611535325223
71661226654
oct461254217
9176546136
1080042127
11411aa920
1222980813
1313776609
14a8b7c2b
1570612bc
hex4c5588f

80042127 has 16 divisors (see below), whose sum is σ = 119266560. Its totient is φ = 47326400.

The previous prime is 80042119. The next prime is 80042167. The reversal of 80042127 is 72124008.

It is not a de Polignac number, because 80042127 - 23 = 80042119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80042097 and 80042106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80042107) 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, 28227 + ... + 30932.

It is an arithmetic number, because the mean of its divisors is an integer number (7454160).

Almost surely, 280042127 is an apocalyptic number.

80042127 is a deficient number, since it is larger than the sum of its proper divisors (39224433).

80042127 is a wasteful number, since it uses less digits than its factorization.

80042127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59214.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 80042127 is about 8946.6265709484. The cubic root of 80042127 is about 430.9625579596.

The spelling of 80042127 in words is "eighty million, forty-two thousand, one hundred twenty-seven".

Divisors: 1 3 11 33 41 123 451 1353 59159 177477 650749 1952247 2425519 7276557 26680709 80042127