Base | Representation |
---|---|
bin | 101010101001101… |
… | …0101000001100000 |
3 | 10200201220221120112 |
4 | 1111103111001200 |
5 | 10412332131313 |
6 | 354002030452 |
7 | 50315256164 |
oct | 12523250140 |
9 | 3621827515 |
10 | 1431130208 |
11 | 674921342 |
12 | 33b348428 |
13 | 19a65b011 |
14 | d80d6ca4 |
15 | 859938a8 |
hex | 554d5060 |
1431130208 has 12 divisors (see below), whose sum is σ = 2817537660. Its totient is φ = 715565088.
The previous prime is 1431130199. The next prime is 1431130231. The reversal of 1431130208 is 8020311341.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22361378 + ... + 22361441.
It is an arithmetic number, because the mean of its divisors is an integer number (234794805).
Almost surely, 21431130208 is an apocalyptic number.
It is an amenable number.
1431130208 is a deficient number, since it is larger than the sum of its proper divisors (1386407452).
1431130208 is an equidigital number, since it uses as much as digits as its factorization.
1431130208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44722829 (or 44722821 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 1431130208 is about 37830.2816272890. The cubic root of 1431130208 is about 1126.9199040177.
Adding to 1431130208 its reverse (8020311341), we get a palindrome (9451441549).
The spelling of 1431130208 in words is "one billion, four hundred thirty-one million, one hundred thirty thousand, two hundred eight".
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