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127207230471 = 3217831419807
BaseRepresentation
bin111011001111000100…
…1000100110000000111
3110011100021211212001100
41312132021010300013
54041010022333341
6134234352231143
712122212422066
oct1663611046007
9404307755040
10127207230471
1149a48190042
12207a153b4b3
13bcc3409699
14622a6081dd
153497aa63b6
hex1d9e244c07

127207230471 has 12 divisors (see below), whose sum is σ = 194552235072. Its totient is φ = 79816301376.

The previous prime is 127207230379. The next prime is 127207230499. The reversal of 127207230471 is 174032702721.

It is not a de Polignac number, because 127207230471 - 29 = 127207229959 is a prime.

It is a super-3 number, since 3×1272072304713 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127207220471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415709751 + ... + 415710056.

It is an arithmetic number, because the mean of its divisors is an integer number (16212686256).

Almost surely, 2127207230471 is an apocalyptic number.

127207230471 is a deficient number, since it is larger than the sum of its proper divisors (67345004601).

127207230471 is a wasteful number, since it uses less digits than its factorization.

127207230471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831419830 (or 831419827 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 127207230471 in words is "one hundred twenty-seven billion, two hundred seven million, two hundred thirty thousand, four hundred seventy-one".

Divisors: 1 3 9 17 51 153 831419807 2494259421 7482778263 14134136719 42402410157 127207230471