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127775066071 = 1497873108923
BaseRepresentation
bin111011011111111111…
…1001100011111010111
3110012210212022220001111
41312333333030133113
54043140404103241
6134410555035451
712142246066342
oct1667777143727
9405725286044
10127775066071
114a20976a364
122091b73bb87
13c083c53093
146281bbb459
1534cc86dc81
hex1dbffcc7d7

127775066071 has 8 divisors (see below), whose sum is σ = 128650136400. Its totient is φ = 126900229632.

The previous prime is 127775066033. The next prime is 127775066119. The reversal of 127775066071 is 170660577721.

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

It is a cyclic number.

It is not a de Polignac number, because 127775066071 - 211 = 127775064023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127775066971) 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, 1118616 + ... + 1227538.

It is an arithmetic number, because the mean of its divisors is an integer number (16081267050).

Almost surely, 2127775066071 is an apocalyptic number.

127775066071 is a deficient number, since it is larger than the sum of its proper divisors (875070329).

127775066071 is a wasteful number, since it uses less digits than its factorization.

127775066071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116945.

The product of its (nonzero) digits is 864360, while the sum is 49.

The spelling of 127775066071 in words is "one hundred twenty-seven billion, seven hundred seventy-five million, sixty-six thousand, seventy-one".

Divisors: 1 149 7873 108923 1173077 16229527 857550779 127775066071