Base | Representation |
---|---|
bin | 10010110101110100… |
… | …001000000111101110 |
3 | 1221012212201011001011 |
4 | 102311310020013232 |
5 | 312412413210110 |
6 | 13143231335434 |
7 | 1314215643112 |
oct | 226564100756 |
9 | 57185634034 |
10 | 20230210030 |
11 | 8641476248 |
12 | 3b0708157a |
13 | 1ba52ab6a4 |
14 | d9cacd742 |
15 | 7d609148a |
hex | 4b5d081ee |
20230210030 has 32 divisors (see below), whose sum is σ = 36736270848. Its totient is φ = 8020857600.
The previous prime is 20230210019. The next prime is 20230210087. The reversal of 20230210030 is 3001203202.
It is a happy number.
It is a super-2 number, since 2×202302100302 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517864 + ... + 555556.
It is an arithmetic number, because the mean of its divisors is an integer number (1148008464).
Almost surely, 220230210030 is an apocalyptic number.
20230210030 is a deficient number, since it is larger than the sum of its proper divisors (16506060818).
20230210030 is a wasteful number, since it uses less digits than its factorization.
20230210030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38172.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20230210030 its reverse (3001203202), we get a palindrome (23231413232).
The spelling of 20230210030 in words is "twenty billion, two hundred thirty million, two hundred ten thousand, thirty".
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