Base | Representation |
---|---|
bin | 11101111110101111111… |
… | …00101110001011101011 |
3 | 10122110220211220021100122 |
4 | 32333113330232023223 |
5 | 113334141232443422 |
6 | 2105121454553455 |
7 | 134265224152631 |
oct | 16772774561353 |
9 | 3573824807318 |
10 | 1030120202987 |
11 | 367964aaa237 |
12 | 14778920888b |
13 | 761a8529065 |
14 | 37c02821351 |
15 | 1bbe0bd5d42 |
hex | efd7f2e2eb |
1030120202987 has 2 divisors, whose sum is σ = 1030120202988. Its totient is φ = 1030120202986.
The previous prime is 1030120202939. The next prime is 1030120203011. The reversal of 1030120202987 is 7892020210301.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1030120202987 - 226 = 1030053094123 is a prime.
It is a super-2 number, since 2×10301202029872 (a number of 25 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1030120202887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060101493 + 515060101494.
It is an arithmetic number, because the mean of its divisors is an integer number (515060101494).
Almost surely, 21030120202987 is an apocalyptic number.
1030120202987 is a deficient number, since it is larger than the sum of its proper divisors (1).
1030120202987 is an equidigital number, since it uses as much as digits as its factorization.
1030120202987 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 35.
The spelling of 1030120202987 in words is "one trillion, thirty billion, one hundred twenty million, two hundred two thousand, nine hundred eighty-seven".
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