Base | Representation |
---|---|
bin | 11101111110101101110… |
… | …11001101110011110111 |
3 | 10122110212122120211212021 |
4 | 32333112323031303313 |
5 | 113334122333443111 |
6 | 2105120042534011 |
7 | 134264625202624 |
oct | 16772673156367 |
9 | 3573778524767 |
10 | 1030103031031 |
11 | 367956340738 |
12 | 147783507307 |
13 | 761a4ac5c39 |
14 | 37c0043134b |
15 | 1bbde442d71 |
hex | efd6ecdcf7 |
1030103031031 has 16 divisors (see below), whose sum is σ = 1092743231040. Its totient is φ = 967691888640.
The previous prime is 1030103030977. The next prime is 1030103031043. The reversal of 1030103031031 is 1301303010301.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1030103031031 is a prime.
It is a super-2 number, since 2×10301030310312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1030103030996 and 1030103031014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030103071031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19761955 + ... + 19814011.
It is an arithmetic number, because the mean of its divisors is an integer number (68296451940).
Almost surely, 21030103031031 is an apocalyptic number.
1030103031031 is a deficient number, since it is larger than the sum of its proper divisors (62640200009).
1030103031031 is a wasteful number, since it uses less digits than its factorization.
1030103031031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54234.
The product of its (nonzero) digits is 81, while the sum is 16.
Adding to 1030103031031 its reverse (1301303010301), we get a palindrome (2331406041332).
The spelling of 1030103031031 in words is "one trillion, thirty billion, one hundred three million, thirty-one thousand, thirty-one".
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