Base | Representation |
---|---|
bin | 100111111100110… |
… | …1101010000001111 |
3 | 10110102102212012112 |
4 | 1033321231100033 |
5 | 10221133341011 |
6 | 341004054235 |
7 | 45135203552 |
oct | 11771552017 |
9 | 3412385175 |
10 | 1340527631 |
11 | 628769283 |
12 | 314b3437b |
13 | 184957a21 |
14 | ca070699 |
15 | 7ca4858b |
hex | 4fe6d40f |
1340527631 has 2 divisors, whose sum is σ = 1340527632. Its totient is φ = 1340527630.
The previous prime is 1340527621. The next prime is 1340527679. The reversal of 1340527631 is 1367250431.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1340527631 is a prime.
It is a super-2 number, since 2×13405276312 = 3594028658948944322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1340527621) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670263815 + 670263816.
It is an arithmetic number, because the mean of its divisors is an integer number (670263816).
Almost surely, 21340527631 is an apocalyptic number.
1340527631 is a deficient number, since it is larger than the sum of its proper divisors (1).
1340527631 is an equidigital number, since it uses as much as digits as its factorization.
1340527631 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15120, while the sum is 32.
The square root of 1340527631 is about 36613.2166164078. The cubic root of 1340527631 is about 1102.6184537896.
The spelling of 1340527631 in words is "one billion, three hundred forty million, five hundred twenty-seven thousand, six hundred thirty-one".
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