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1315352142 = 233131873721
BaseRepresentation
bin100111001100110…
…1010111001001110
310101200001210221000
41032121222321032
510143212232032
6334304321130
744411210616
oct11631527116
93350053830
101315352142
11615533595
123086131a6
1317c6819a0
14c6999a46
157a723e7c
hex4e66ae4e

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".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 1873721 3747442 5621163 11242326 16863489 24358373 33726978 48716746 50590467 73075119 101180934 146150238 219225357 438450714 657676071 1315352142