Base | Representation |
---|---|
bin | 11100010100000100… |
… | …001001000010111111 |
3 | 2220110201121012001200 |
4 | 130110010021002333 |
5 | 444230224313043 |
6 | 21544411310543 |
7 | 2124242434140 |
oct | 342404110277 |
9 | 86421535050 |
10 | 30401401023 |
11 | 11990886614 |
12 | 5a8544b453 |
13 | 2b365a72b6 |
14 | 1685895ac7 |
15 | bcdeb77d3 |
hex | 7141090bf |
30401401023 has 24 divisors (see below), whose sum is σ = 50338094976. Its totient is φ = 17319733200.
The previous prime is 30401401021. The next prime is 30401401027. The reversal of 30401401023 is 32010410403.
It is not a de Polignac number, because 30401401023 - 21 = 30401401021 is a prime.
It is a super-2 number, since 2×304014010232 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30401400987 and 30401401005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30401401021) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708093 + ... + 749798.
It is an arithmetic number, because the mean of its divisors is an integer number (2097420624).
Almost surely, 230401401023 is an apocalyptic number.
30401401023 is a deficient number, since it is larger than the sum of its proper divisors (19936693953).
30401401023 is a wasteful number, since it uses less digits than its factorization.
30401401023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1458235 (or 1458232 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 30401401023 its reverse (32010410403), we get a palindrome (62411811426).
The spelling of 30401401023 in words is "thirty billion, four hundred one million, four hundred one thousand, twenty-three".
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