Base | Representation |
---|---|
bin | 10011000100110111… |
… | …11101011010110101 |
3 | 222102202001121111110 |
4 | 21202123331122311 |
5 | 131433301244341 |
6 | 4412125225233 |
7 | 511535505030 |
oct | 114233753265 |
9 | 28382047443 |
10 | 10241431221 |
11 | 438602594a |
12 | 1b99a02219 |
13 | c72a1c898 |
14 | 6d224c017 |
15 | 3ee19d216 |
hex | 2626fd6b5 |
10241431221 has 16 divisors (see below), whose sum is σ = 15609504384. Its totient is φ = 5850928704.
The previous prime is 10241431147. The next prime is 10241431231. The reversal of 10241431221 is 12213414201.
It is not a de Polignac number, because 10241431221 - 219 = 10240906933 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10241431231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44791 + ... + 149963.
It is an arithmetic number, because the mean of its divisors is an integer number (975594024).
Almost surely, 210241431221 is an apocalyptic number.
It is an amenable number.
10241431221 is a deficient number, since it is larger than the sum of its proper divisors (5368073163).
10241431221 is a wasteful number, since it uses less digits than its factorization.
10241431221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 109820.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 10241431221 its reverse (12213414201), we get a palindrome (22454845422).
The spelling of 10241431221 in words is "ten billion, two hundred forty-one million, four hundred thirty-one thousand, two hundred twenty-one".
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