Base | Representation |
---|---|
bin | 1111001110000… |
… | …01111101000011 |
3 | 22220020102020110 |
4 | 13213001331003 |
5 | 230141002011 |
6 | 20400242403 |
7 | 3110123646 |
oct | 747017503 |
9 | 286212213 |
10 | 127672131 |
11 | 66081a64 |
12 | 36910403 |
13 | 205b2052 |
14 | 12d55a5d |
15 | b31dba6 |
hex | 79c1f43 |
127672131 has 8 divisors (see below), whose sum is σ = 170512384. Its totient is φ = 84973320.
The previous prime is 127672121. The next prime is 127672133. The reversal of 127672131 is 131276721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 127672131 - 27 = 127672003 is a prime.
It is a super-2 number, since 2×1276721312 = 32600346068162322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (127672133) 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, 33235 + ... + 36876.
It is an arithmetic number, because the mean of its divisors is an integer number (21314048).
Almost surely, 2127672131 is an apocalyptic number.
127672131 is a deficient number, since it is larger than the sum of its proper divisors (42840253).
127672131 is an equidigital number, since it uses as much as digits as its factorization.
127672131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70721.
The product of its digits is 3528, while the sum is 30.
The square root of 127672131 is about 11299.2093086198. The cubic root of 127672131 is about 503.5377509335.
The spelling of 127672131 in words is "one hundred twenty-seven million, six hundred seventy-two thousand, one hundred thirty-one".
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