Base | Representation |
---|---|
bin | 100111001100010… |
… | …0001101110001011 |
3 | 10101122111120210110 |
4 | 1032120201232023 |
5 | 10143123134202 |
6 | 334254045403 |
7 | 44405522043 |
oct | 11630415613 |
9 | 3348446713 |
10 | 1315052427 |
11 | 615349397 |
12 | 3084a9863 |
13 | 17c5a8440 |
14 | c691c723 |
15 | 7a6b526c |
hex | 4e621b8b |
1315052427 has 16 divisors (see below), whose sum is σ = 1889798400. Its totient is φ = 808612512.
The previous prime is 1315052419. The next prime is 1315052429. The reversal of 1315052427 is 7242505131.
It is not a de Polignac number, because 1315052427 - 23 = 1315052419 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1315052394 and 1315052403.
It is not an unprimeable number, because it can be changed into a prime (1315052429) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38074 + ... + 63872.
It is an arithmetic number, because the mean of its divisors is an integer number (118112400).
Almost surely, 21315052427 is an apocalyptic number.
1315052427 is a deficient number, since it is larger than the sum of its proper divisors (574745973).
1315052427 is a wasteful number, since it uses less digits than its factorization.
1315052427 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27122.
The product of its (nonzero) digits is 8400, while the sum is 30.
The square root of 1315052427 is about 36263.6515949511. The cubic root of 1315052427 is about 1095.5890652565.
Adding to 1315052427 its reverse (7242505131), we get a palindrome (8557557558).
The spelling of 1315052427 in words is "one billion, three hundred fifteen million, fifty-two thousand, four hundred twenty-seven".
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