Base | Representation |
---|---|
bin | 11101111110101110111… |
… | …01111011011111001101 |
3 | 10122110220021201011200221 |
4 | 32333113131323133031 |
5 | 113334132201143041 |
6 | 2105121005551341 |
7 | 134265065433331 |
oct | 16772735733715 |
9 | 3573807634627 |
10 | 1030112131021 |
11 | 367960496696 |
12 | 147786575551 |
13 | 761a6960c4c |
14 | 37c0171d7c1 |
15 | 1bbe013e2d1 |
hex | efd777b7cd |
1030112131021 has 8 divisors (see below), whose sum is σ = 1035047343200. Its totient is φ = 1025180718480.
The previous prime is 1030112131007. The next prime is 1030112131049. The reversal of 1030112131021 is 1201312110301.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1030112131021 - 25 = 1030112130989 is a prime.
It is a super-2 number, since 2×10301121310212 (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 = 1030112130986 and 1030112131004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030112131091) 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, 405651 + ... + 1491568.
It is an arithmetic number, because the mean of its divisors is an integer number (129380917900).
Almost surely, 21030112131021 is an apocalyptic number.
It is an amenable number.
1030112131021 is a deficient number, since it is larger than the sum of its proper divisors (4935212179).
1030112131021 is a wasteful number, since it uses less digits than its factorization.
1030112131021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1899819.
The product of its (nonzero) digits is 36, while the sum is 16.
Adding to 1030112131021 its reverse (1201312110301), we get a palindrome (2231424241322).
The spelling of 1030112131021 in words is "one trillion, thirty billion, one hundred twelve million, one hundred thirty-one thousand, twenty-one".
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