Base | Representation |
---|---|
bin | 100001101110001… |
… | …0101101101011110 |
3 | 2220212010021112102 |
4 | 1003130111231132 |
5 | 4304131034210 |
6 | 304140005102 |
7 | 40016416622 |
oct | 10334255536 |
9 | 2825107472 |
10 | 1131502430 |
11 | 530781583 |
12 | 276b30792 |
13 | 150560786 |
14 | aa3bd182 |
15 | 69509ea5 |
hex | 43715b5e |
1131502430 has 16 divisors (see below), whose sum is σ = 2084070384. Its totient is φ = 442075200.
The previous prime is 1131502429. The next prime is 1131502441. The reversal of 1131502430 is 342051311.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315271 + ... + 1316130.
It is an arithmetic number, because the mean of its divisors is an integer number (130254399).
Almost surely, 21131502430 is an apocalyptic number.
1131502430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1131502430 is a deficient number, since it is larger than the sum of its proper divisors (952567954).
1131502430 is a wasteful number, since it uses less digits than its factorization.
1131502430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2631451.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 1131502430 is about 33637.8125031935. The cubic root of 1131502430 is about 1042.0418557880.
Adding to 1131502430 its reverse (342051311), we get a palindrome (1473553741).
The spelling of 1131502430 in words is "one billion, one hundred thirty-one million, five hundred two thousand, four hundred thirty".
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