Base | Representation |
---|---|
bin | 100111111000001… |
… | …0001110101011111 |
3 | 10110020210021210210 |
4 | 1033300101311133 |
5 | 10220020243111 |
6 | 340435103503 |
7 | 45105200664 |
oct | 11760216537 |
9 | 3406707723 |
10 | 1338056031 |
11 | 627330334 |
12 | 314141b93 |
13 | 1842a0a40 |
14 | c99c9a6b |
15 | 7c70b0a6 |
hex | 4fc11d5f |
1338056031 has 32 divisors (see below), whose sum is σ = 1951633152. Its totient is φ = 810501120.
The previous prime is 1338056023. The next prime is 1338056059. The reversal of 1338056031 is 1306508331.
It is not a de Polignac number, because 1338056031 - 23 = 1338056023 is a prime.
It is a super-3 number, since 3×13380560313 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a self number, because there is not a number n which added to its sum of digits gives 1338056031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1338056011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1142076 + ... + 1143246.
It is an arithmetic number, because the mean of its divisors is an integer number (60988536).
Almost surely, 21338056031 is an apocalyptic number.
1338056031 is a deficient number, since it is larger than the sum of its proper divisors (613577121).
1338056031 is a wasteful number, since it uses less digits than its factorization.
1338056031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1623.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 1338056031 is about 36579.4482052422. The cubic root of 1338056031 is about 1101.9403853663.
The spelling of 1338056031 in words is "one billion, three hundred thirty-eight million, fifty-six thousand, thirty-one".
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