Base | Representation |
---|---|
bin | 111011100101110001… |
… | …1100011110011000001 |
3 | 110020022101112021112200 |
4 | 1313023203203303001 |
5 | 4044040100214342 |
6 | 134442130543413 |
7 | 12150123545220 |
oct | 1671343436301 |
9 | 406271467480 |
10 | 127969148097 |
11 | 4a2a928002a |
12 | 20974737b69 |
13 | c0b521780b |
14 | 629d89ccb7 |
15 | 34de90994c |
hex | 1dcb8e3cc1 |
127969148097 has 24 divisors (see below), whose sum is σ = 211264971840. Its totient is φ = 73120272480.
The previous prime is 127969148089. The next prime is 127969148149. The reversal of 127969148097 is 790841969721.
127969148097 is a `hidden beast` number, since 1 + 2 + 7 + 9 + 69 + 1 + 480 + 97 = 666.
It is not a de Polignac number, because 127969148097 - 23 = 127969148089 is a prime.
It is a super-2 number, since 2×1279691480972 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is not an unprimeable number, because it can be changed into a prime (127969148077) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 998679 + ... + 1119507.
It is an arithmetic number, because the mean of its divisors is an integer number (8802707160).
Almost surely, 2127969148097 is an apocalyptic number.
It is an amenable number.
127969148097 is a deficient number, since it is larger than the sum of its proper divisors (83295823743).
127969148097 is a wasteful number, since it uses less digits than its factorization.
127969148097 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137653 (or 137650 counting only the distinct ones).
The product of its (nonzero) digits is 13716864, while the sum is 63.
The spelling of 127969148097 in words is "one hundred twenty-seven billion, nine hundred sixty-nine million, one hundred forty-eight thousand, ninety-seven".
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