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127086772127 = 761714191931
BaseRepresentation
bin111011001011011110…
…1100011111110011111
3110011000220011221021012
41312112331203332133
54040233203202002
6134214410325435
712116220511430
oct1662675437637
9404026157235
10127086772127
1149996195997
122076912987b
13bca4481c63
14621860d487
15348c20ed52
hex1d96f63f9f

127086772127 has 16 divisors (see below), whose sum is σ = 149702275584. Its totient is φ = 105636636000.

The previous prime is 127086772121. The next prime is 127086772237. The reversal of 127086772127 is 721277680721.

It is a happy number.

It is not a de Polignac number, because 127086772127 - 226 = 127019663263 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127086772121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2065649 + ... + 2126282.

It is an arithmetic number, because the mean of its divisors is an integer number (9356392224).

Almost surely, 2127086772127 is an apocalyptic number.

127086772127 is a deficient number, since it is larger than the sum of its proper divisors (22615503457).

127086772127 is an equidigital number, since it uses as much as digits as its factorization.

127086772127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4192070.

The product of its (nonzero) digits is 921984, while the sum is 50.

The spelling of 127086772127 in words is "one hundred twenty-seven billion, eighty-six million, seven hundred seventy-two thousand, one hundred twenty-seven".

Divisors: 1 7 61 71 427 497 4331 30317 4191931 29343517 255707791 297627101 1789954537 2083389707 18155253161 127086772127