Base | Representation |
---|---|
bin | 1111001010000… |
… | …10001001110100 |
3 | 22212020211011122 |
4 | 13211002021310 |
5 | 230022224120 |
6 | 20341123112 |
7 | 3102513542 |
oct | 745021164 |
9 | 285224148 |
10 | 127148660 |
11 | 65854741 |
12 | 366b9498 |
13 | 2045a9c2 |
14 | 12c5ad92 |
15 | b268a25 |
hex | 7942274 |
127148660 has 12 divisors (see below), whose sum is σ = 267012228. Its totient is φ = 50859456.
The previous prime is 127148633. The next prime is 127148711. The reversal of 127148660 is 66841721.
It can be written as a sum of positive squares in 2 ways, for example, as 45535504 + 81613156 = 6748^2 + 9034^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 127148660.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3178697 + ... + 3178736.
It is an arithmetic number, because the mean of its divisors is an integer number (22251019).
Almost surely, 2127148660 is an apocalyptic number.
127148660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127148660 is an abundant number, since it is smaller than the sum of its proper divisors (139863568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127148660 is a wasteful number, since it uses less digits than its factorization.
127148660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6357442 (or 6357440 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 127148660 is about 11276.0214614908. The cubic root of 127148660 is about 502.8486199086.
The spelling of 127148660 in words is "one hundred twenty-seven million, one hundred forty-eight thousand, six hundred sixty".
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