Base | Representation |
---|---|
bin | 10010101010101001… |
… | …01011111111101000 |
3 | 221212102001221020221 |
4 | 21111110223333220 |
5 | 131010440433112 |
6 | 4334225455424 |
7 | 503224446640 |
oct | 112524537750 |
9 | 27772057227 |
10 | 10021421032 |
11 | 4282915a47 |
12 | 1b381a1574 |
13 | c3927a63c |
14 | 6b0d3b520 |
15 | 3d9bdee07 |
hex | 25552bfe8 |
10021421032 has 16 divisors (see below), whose sum is σ = 21474473760. Its totient is φ = 4294894704.
The previous prime is 10021420979. The next prime is 10021421041. The reversal of 10021421032 is 23012412001.
It is a super-2 number, since 2×100214210322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10021420997 and 10021421015.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89476918 + ... + 89477029.
It is an arithmetic number, because the mean of its divisors is an integer number (1342154610).
Almost surely, 210021421032 is an apocalyptic number.
It is an amenable number.
10021421032 is an abundant number, since it is smaller than the sum of its proper divisors (11453052728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021421032 is a wasteful number, since it uses less digits than its factorization.
10021421032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 178953960 (or 178953956 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
Adding to 10021421032 its reverse (23012412001), we get a palindrome (33033833033).
The spelling of 10021421032 in words is "ten billion, twenty-one million, four hundred twenty-one thousand, thirty-two".
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