Base | Representation |
---|---|
bin | 10010101010100111… |
… | …11110000111100100 |
3 | 221212101201101111101 |
4 | 21111103332013210 |
5 | 131010413424444 |
6 | 4334221445444 |
7 | 503223035050 |
oct | 112523760744 |
9 | 27771641441 |
10 | 10021233124 |
11 | 42827a7851 |
12 | 1b38110884 |
13 | c39212c56 |
14 | 6b0cccc60 |
15 | 3d9ba43d4 |
hex | 2554fe1e4 |
10021233124 has 48 divisors (see below), whose sum is σ = 20993753088. Its totient is φ = 4092393888.
The previous prime is 10021233113. The next prime is 10021233133. The reversal of 10021233124 is 42133212001.
It is a happy number.
It is a super-2 number, since 2×100212331242 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139789 + ... + 198955.
It is an arithmetic number, because the mean of its divisors is an integer number (437369856).
Almost surely, 210021233124 is an apocalyptic number.
10021233124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10021233124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10496876544).
10021233124 is an abundant number, since it is smaller than the sum of its proper divisors (10972519964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10021233124 is a wasteful number, since it uses less digits than its factorization.
10021233124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59464 (or 59462 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 10021233124 its reverse (42133212001), we get a palindrome (52154445125).
The spelling of 10021233124 in words is "ten billion, twenty-one million, two hundred thirty-three thousand, one hundred twenty-four".
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