Base | Representation |
---|---|
bin | 111011001101001111… |
… | …0010010011010111100 |
3 | 110011012000000220021022 |
4 | 1312122132102122330 |
5 | 4040343243320440 |
6 | 134224313123312 |
7 | 12120534320225 |
oct | 1663236223274 |
9 | 404160026238 |
10 | 127145682620 |
11 | 49a16472250 |
12 | 207849b9538 |
13 | bcb373a038 |
14 | 622238624c |
15 | 3492499cb5 |
hex | 1d9a7926bc |
127145682620 has 96 divisors (see below), whose sum is σ = 298548391680. Its totient is φ = 45084533760.
The previous prime is 127145682593. The next prime is 127145682647. The reversal of 127145682620 is 26286541721.
It is an interprime number because it is at equal distance from previous prime (127145682593) and next prime (127145682647).
It is a Harshad number since it is a multiple of its sum of digits (44).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5844884 + ... + 5866596.
It is an arithmetic number, because the mean of its divisors is an integer number (3109879080).
Almost surely, 2127145682620 is an apocalyptic number.
127145682620 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 127145682620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149274195840).
127145682620 is an abundant number, since it is smaller than the sum of its proper divisors (171402709060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127145682620 is a wasteful number, since it uses less digits than its factorization.
127145682620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22395 (or 22393 counting only the distinct ones).
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 127145682620 in words is "one hundred twenty-seven billion, one hundred forty-five million, six hundred eighty-two thousand, six hundred twenty".
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