Base | Representation |
---|---|
bin | 1111001011001… |
… | …11100111101000 |
3 | 22212112121200100 |
4 | 13211213213220 |
5 | 230042131440 |
6 | 20344305400 |
7 | 3104023131 |
oct | 745474750 |
9 | 285477610 |
10 | 127302120 |
11 | 65949a70 |
12 | 36772260 |
13 | 204b27ca |
14 | 12c9ac88 |
15 | b299230 |
hex | 79679e8 |
127302120 has 384 divisors, whose sum is σ = 501396480. Its totient is φ = 27648000.
The previous prime is 127302107. The next prime is 127302139. The reversal of 127302120 is 21203721.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 127302093 and 127302102.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2086890 + ... + 2086950.
It is an arithmetic number, because the mean of its divisors is an integer number (1305720).
Almost surely, 2127302120 is an apocalyptic number.
127302120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 127302120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250698240).
127302120 is an abundant number, since it is smaller than the sum of its proper divisors (374094360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127302120 is a wasteful number, since it uses less digits than its factorization.
127302120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 137 (or 130 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 127302120 is about 11282.8241145557. The cubic root of 127302120 is about 503.0508402198.
Adding to 127302120 its reverse (21203721), we get a palindrome (148505841).
The spelling of 127302120 in words is "one hundred twenty-seven million, three hundred two thousand, one hundred twenty".
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