Base | Representation |
---|---|
bin | 11101111110101111000… |
… | …10001000000010101101 |
3 | 10122110220100210001121200 |
4 | 32333113202020002231 |
5 | 113334132441343041 |
6 | 2105121045320113 |
7 | 134265110664330 |
oct | 16772742100255 |
9 | 3573810701550 |
10 | 1030113231021 |
11 | 367961078086 |
12 | 147786a06039 |
13 | 761a6c57834 |
14 | 37c01928617 |
15 | 1bbe02aa1b6 |
hex | efd78880ad |
1030113231021 has 12 divisors (see below), whose sum is σ = 1700504381472. Its totient is φ = 588636131976.
The previous prime is 1030113230999. The next prime is 1030113231107. The reversal of 1030113231021 is 1201323110301.
1030113231021 is a `hidden beast` number, since 1 + 0 + 301 + 1 + 32 + 310 + 21 = 666.
It is not a de Polignac number, because 1030113231021 - 213 = 1030113222829 is a prime.
It is a super-2 number, since 2×10301132310212 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1030113230985 and 1030113231003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030113230021) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8175501771 + ... + 8175501896.
It is an arithmetic number, because the mean of its divisors is an integer number (141708698456).
Almost surely, 21030113231021 is an apocalyptic number.
It is an amenable number.
1030113231021 is a deficient number, since it is larger than the sum of its proper divisors (670391150451).
1030113231021 is a wasteful number, since it uses less digits than its factorization.
1030113231021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16351003680 (or 16351003677 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1030113231021 its reverse (1201323110301), we get a palindrome (2231436341322).
The spelling of 1030113231021 in words is "one trillion, thirty billion, one hundred thirteen million, two hundred thirty-one thousand, twenty-one".
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