Base | Representation |
---|---|
bin | 10010101010110111… |
… | …01001001010000100 |
3 | 221212112111120110211 |
4 | 21111123221022010 |
5 | 131011422310140 |
6 | 4334332525204 |
7 | 503246112640 |
oct | 112533511204 |
9 | 27775446424 |
10 | 10023244420 |
11 | 4283950982 |
12 | 1b38920804 |
13 | c39768577 |
14 | 6b1293c20 |
15 | 3d9e502ea |
hex | 2556e9284 |
10023244420 has 72 divisors (see below), whose sum is σ = 25388645184. Its totient is φ = 3255653952.
The previous prime is 10023244409. The next prime is 10023244493. The reversal of 10023244420 is 2444232001.
It is a happy number.
It is a super-2 number, since 2×100232444202 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10023244391 and 10023244400.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48622 + ... + 149701.
It is an arithmetic number, because the mean of its divisors is an integer number (352620072).
Almost surely, 210023244420 is an apocalyptic number.
10023244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10023244420 is an abundant number, since it is smaller than the sum of its proper divisors (15365400764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10023244420 is a wasteful number, since it uses less digits than its factorization.
10023244420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 198377 (or 198356 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 22.
Adding to 10023244420 its reverse (2444232001), we get a palindrome (12467476421).
The spelling of 10023244420 in words is "ten billion, twenty-three million, two hundred forty-four thousand, four hundred twenty".
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