Base | Representation |
---|---|
bin | 10011011010101100… |
… | …00010111101010101 |
3 | 222220111101221012121 |
4 | 21231112002331111 |
5 | 132322123233141 |
6 | 4442223415541 |
7 | 516220124266 |
oct | 115526027525 |
9 | 28814357177 |
10 | 10424430421 |
11 | 446a356959 |
12 | 202b1545b1 |
13 | ca1903932 |
14 | 70c68696d |
15 | 41029a1d1 |
hex | 26d582f55 |
10424430421 has 8 divisors (see below), whose sum is σ = 10509487704. Its totient is φ = 10339503360.
The previous prime is 10424430409. The next prime is 10424430433. The reversal of 10424430421 is 12403442401.
It is an interprime number because it is at equal distance from previous prime (10424430409) and next prime (10424430433).
It can be written as a sum of positive squares in 4 ways, for example, as 1976247025 + 8448183396 = 44455^2 + 91914^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10424430421 - 217 = 10424299349 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 (10424430491) 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, 131551 + ... + 195331.
It is an arithmetic number, because the mean of its divisors is an integer number (1313685963).
Almost surely, 210424430421 is an apocalyptic number.
It is an amenable number.
10424430421 is a deficient number, since it is larger than the sum of its proper divisors (85057283).
10424430421 is a wasteful number, since it uses less digits than its factorization.
10424430421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65111.
The product of its (nonzero) digits is 3072, while the sum is 25.
Adding to 10424430421 its reverse (12403442401), we get a palindrome (22827872822).
The spelling of 10424430421 in words is "ten billion, four hundred twenty-four million, four hundred thirty thousand, four hundred twenty-one".
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