Base | Representation |
---|---|
bin | 10010101010101000… |
… | …10100000100000101 |
3 | 221212101212221210121 |
4 | 21111110110010011 |
5 | 131010424314023 |
6 | 4334223421541 |
7 | 503223561112 |
oct | 112524240405 |
9 | 27771787717 |
10 | 10021323013 |
11 | 4282859339 |
12 | 1b381548b1 |
13 | c39244b40 |
14 | 6b0d13909 |
15 | 3d9bc0d5d |
hex | 255514105 |
10021323013 has 8 divisors (see below), whose sum is σ = 11427029208. Its totient is φ = 8706307584.
The previous prime is 10021322999. The next prime is 10021323029. The reversal of 10021323013 is 31032312001.
It can be written as a sum of positive squares in 4 ways, for example, as 612711009 + 9408612004 = 24753^2 + 96998^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10021323013 - 29 = 10021322501 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10021320013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22672456 + ... + 22672897.
It is an arithmetic number, because the mean of its divisors is an integer number (1428378651).
Almost surely, 210021323013 is an apocalyptic number.
10021323013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
10021323013 is a deficient number, since it is larger than the sum of its proper divisors (1405706195).
10021323013 is a wasteful number, since it uses less digits than its factorization.
10021323013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45345383.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 10021323013 its reverse (31032312001), we get a palindrome (41053635014).
The spelling of 10021323013 in words is "ten billion, twenty-one million, three hundred twenty-three thousand, thirteen".
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