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127308265129490 = 2512730826512949
BaseRepresentation
bin11100111100100101000011…
…111010111000011000010010
3121200202112212212222010020212
4130330211003322320120102
5113141304311333120430
61130432335402004122
735546501326624334
oct3474450372703022
9550675785863225
10127308265129490
113762314a822985
12123412404a6642
13560616c005c63
142361a77da9454
15eab8a7e30b95
hex73c943eb8612

127308265129490 has 8 divisors (see below), whose sum is σ = 229154877233100. Its totient is φ = 50923306051792.

The previous prime is 127308265129471. The next prime is 127308265129501. The reversal of 127308265129490 is 94921562803721.

It can be written as a sum of positive squares in 2 ways, for example, as 117886674298969 + 9421590830521 = 10857563^2 + 3069461^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6365413256465 + ... + 6365413256484.

It is a 1-persistent number, because it is pandigital, but 2⋅127308265129490 = 254616530258980 is not.

Almost surely, 2127308265129490 is an apocalyptic number.

127308265129490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127308265129490 is a deficient number, since it is larger than the sum of its proper divisors (101846612103610).

127308265129490 is a wasteful number, since it uses less digits than its factorization.

127308265129490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730826512956.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 127308265129490 in words is "one hundred twenty-seven trillion, three hundred eight billion, two hundred sixty-five million, one hundred twenty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 12730826512949 25461653025898 63654132564745 127308265129490