Base | Representation |
---|---|
bin | 10010111001010010… |
… | …11111010000110101 |
3 | 222011222022120021221 |
4 | 21130221133100311 |
5 | 131233421030141 |
6 | 4354335510341 |
7 | 506246151463 |
oct | 113451372065 |
9 | 28158276257 |
10 | 10144314421 |
11 | 433622362a |
12 | 1b713883b1 |
13 | c58878517 |
14 | 6c33ab833 |
15 | 3e58b7bd1 |
hex | 25ca5f435 |
10144314421 has 4 divisors (see below), whose sum is σ = 10147518700. Its totient is φ = 10141110144.
The previous prime is 10144314407. The next prime is 10144314449. The reversal of 10144314421 is 12441344101.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 9353017521 + 791296900 = 96711^2 + 28130^2 .
It is a cyclic number.
It is not a de Polignac number, because 10144314421 - 29 = 10144313909 is a prime.
It is a super-4 number, since 4×101443144214 (a number of 41 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10144314451) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597386 + ... + 1603723.
It is an arithmetic number, because the mean of its divisors is an integer number (2536879675).
Almost surely, 210144314421 is an apocalyptic number.
It is an amenable number.
10144314421 is a deficient number, since it is larger than the sum of its proper divisors (3204279).
10144314421 is an equidigital number, since it uses as much as digits as its factorization.
10144314421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3204278.
The product of its (nonzero) digits is 1536, while the sum is 25.
Adding to 10144314421 its reverse (12441344101), we get a palindrome (22585658522).
The spelling of 10144314421 in words is "ten billion, one hundred forty-four million, three hundred fourteen thousand, four hundred twenty-one".
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