Base | Representation |
---|---|
bin | 10011011011010111… |
… | …11000011010110101 |
3 | 222220220011202001121 |
4 | 21231223320122311 |
5 | 132330104420141 |
6 | 4442550223541 |
7 | 516316564321 |
oct | 115553703265 |
9 | 28826152047 |
10 | 10430154421 |
11 | 4472606435 |
12 | 2031054bb1 |
13 | ca2b5910b |
14 | 70d336981 |
15 | 410a2b1d1 |
hex | 26daf86b5 |
10430154421 has 4 divisors (see below), whose sum is σ = 10431009772. Its totient is φ = 10429299072.
The previous prime is 10430154419. The next prime is 10430154431. The reversal of 10430154421 is 12445103401.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12445103401 = 3301 ⋅3770101.
It can be written as a sum of positive squares in 2 ways, for example, as 3134432196 + 7295722225 = 55986^2 + 85415^2 .
It is a cyclic number.
It is not a de Polignac number, because 10430154421 - 21 = 10430154419 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 (10430154431) 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, 409116 + ... + 433861.
It is an arithmetic number, because the mean of its divisors is an integer number (2607752443).
Almost surely, 210430154421 is an apocalyptic number.
It is an amenable number.
10430154421 is a deficient number, since it is larger than the sum of its proper divisors (855351).
10430154421 is an equidigital number, since it uses as much as digits as its factorization.
10430154421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 855350.
The product of its (nonzero) digits is 1920, while the sum is 25.
Adding to 10430154421 its reverse (12445103401), we get a palindrome (22875257822).
The spelling of 10430154421 in words is "ten billion, four hundred thirty million, one hundred fifty-four thousand, four hundred twenty-one".
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