Base | Representation |
---|---|
bin | 100111001100110… |
… | …1010111001001110 |
3 | 10101200001210221000 |
4 | 1032121222321032 |
5 | 10143212232032 |
6 | 334304321130 |
7 | 44411210616 |
oct | 11631527116 |
9 | 3350053830 |
10 | 1315352142 |
11 | 615533595 |
12 | 3086131a6 |
13 | 17c6819a0 |
14 | c6999a46 |
15 | 7a723e7c |
hex | 4e66ae4e |
1315352142 has 32 divisors (see below), whose sum is σ = 3147852960. Its totient is φ = 404723520.
The previous prime is 1315352131. The next prime is 1315352153. The reversal of 1315352142 is 2412535131.
1315352142 is a `hidden beast` number, since 131 + 5 + 3 + 521 + 4 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (1315352131) and next prime (1315352153).
It is a Harshad number since it is a multiple of its sum of digits (27).
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 15 ways as a sum of consecutive naturals, for example, 936159 + ... + 937562.
It is an arithmetic number, because the mean of its divisors is an integer number (98370405).
Almost surely, 21315352142 is an apocalyptic number.
1315352142 is an abundant number, since it is smaller than the sum of its proper divisors (1832500818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315352142 is a wasteful number, since it uses less digits than its factorization.
1315352142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1873745 (or 1873739 counting only the distinct ones).
The product of its digits is 3600, while the sum is 27.
The square root of 1315352142 is about 36267.7838032599. The cubic root of 1315352142 is about 1095.6722912246.
Adding to 1315352142 its reverse (2412535131), we get a palindrome (3727887273).
The spelling of 1315352142 in words is "one billion, three hundred fifteen million, three hundred fifty-two thousand, one hundred forty-two".
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