Base | Representation |
---|---|
bin | 10011011011100001… |
… | …10011010111001111 |
3 | 222220222121021121202 |
4 | 21231300303113033 |
5 | 132330422210211 |
6 | 4443034020115 |
7 | 516333546302 |
oct | 115560632717 |
9 | 28828537552 |
10 | 10431444431 |
11 | 4473307661 |
12 | 203157763b |
13 | ca31bb335 |
14 | 70d590b39 |
15 | 410bd353b |
hex | 26dc335cf |
10431444431 has 2 divisors, whose sum is σ = 10431444432. Its totient is φ = 10431444430.
The previous prime is 10431444407. The next prime is 10431444451. The reversal of 10431444431 is 13444413401.
It is a strong prime.
It is an emirp because it is prime and its reverse (13444413401) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10431444431 - 26 = 10431444367 is a prime.
It is a super-2 number, since 2×104314444312 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 10431444394 and 10431444403.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10431444451) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5215722215 + 5215722216.
It is an arithmetic number, because the mean of its divisors is an integer number (5215722216).
Almost surely, 210431444431 is an apocalyptic number.
10431444431 is a deficient number, since it is larger than the sum of its proper divisors (1).
10431444431 is an equidigital number, since it uses as much as digits as its factorization.
10431444431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 9216, while the sum is 29.
Adding to 10431444431 its reverse (13444413401), we get a palindrome (23875857832).
The spelling of 10431444431 in words is "ten billion, four hundred thirty-one million, four hundred forty-four thousand, four hundred thirty-one".
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