Base | Representation |
---|---|
bin | 11101110110000111101… |
… | …11101001100110000100 |
3 | 10122000222001021100211021 |
4 | 32323003313221212010 |
5 | 113300200010034420 |
6 | 2103034114320524 |
7 | 134042362152634 |
oct | 16730367514604 |
9 | 3560861240737 |
10 | 1025488361860 |
11 | 3659a849a466 |
12 | 1468b5b89144 |
13 | 7591aa40a71 |
14 | 378c35d66c4 |
15 | 1ba1e2537aa |
hex | eec3de9984 |
1025488361860 has 24 divisors (see below), whose sum is σ = 2180785380480. Its totient is φ = 405002997984.
The previous prime is 1025488361851. The next prime is 1025488361869. The reversal of 1025488361860 is 681638845201.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1025488361851) and next prime (1025488361869).
It is a junction number, because it is equal to n+sod(n) for n = 1025488361798 and 1025488361807.
It is not an unprimeable number, because it can be changed into a prime (1025488361869) 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, 324520054 + ... + 324523213.
It is an arithmetic number, because the mean of its divisors is an integer number (90866057520).
Almost surely, 21025488361860 is an apocalyptic number.
1025488361860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1025488361860 is an abundant number, since it is smaller than the sum of its proper divisors (1155297018620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025488361860 is a wasteful number, since it uses less digits than its factorization.
1025488361860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649043355 (or 649043353 counting only the distinct ones).
The product of its (nonzero) digits is 2211840, while the sum is 52.
The spelling of 1025488361860 in words is "one trillion, twenty-five billion, four hundred eighty-eight million, three hundred sixty-one thousand, eight hundred sixty".
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