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65140127 = 135394543
BaseRepresentation
bin1111100001111…
…1010110011111
311112120110110022
43320133112133
5113133441002
610244102355
71420452623
oct370372637
9145513408
1065140127
1133851818
12199949bb
1310659770
148919183
155ababa2
hex3e1f59f

65140127 has 8 divisors (see below), whose sum is σ = 71475264. Its totient is φ = 58994208.

The previous prime is 65140123. The next prime is 65140129. The reversal of 65140127 is 72104156.

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

It is not a de Polignac number, because 65140127 - 22 = 65140123 is a prime.

It is a super-2 number, since 2×651401272 = 8486472291152258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65140096 and 65140105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65140121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46583 + ... + 47960.

It is an arithmetic number, because the mean of its divisors is an integer number (8934408).

Almost surely, 265140127 is an apocalyptic number.

65140127 is a deficient number, since it is larger than the sum of its proper divisors (6335137).

65140127 is a wasteful number, since it uses less digits than its factorization.

65140127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94609.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 65140127 is about 8070.9433773259. The cubic root of 65140127 is about 402.3612978356.

The spelling of 65140127 in words is "sixty-five million, one hundred forty thousand, one hundred twenty-seven".

Divisors: 1 13 53 689 94543 1229059 5010779 65140127