Base | Representation |
---|---|
bin | 10011000110000111101… |
… | …111100010101110001111 |
3 | 11122110010102121102220210 |
4 | 103012013233202232033 |
5 | 132444433024144211 |
6 | 2442500313013503 |
7 | 163543406316036 |
oct | 23060757425617 |
9 | 4573112542823 |
10 | 1312242412431 |
11 | 4665786a4915 |
12 | 1923a33b4293 |
13 | 96989545b72 |
14 | 4772746971d |
15 | 24203acb9a6 |
hex | 13187be2b8f |
1312242412431 has 16 divisors (see below), whose sum is σ = 1912338091008. Its totient is φ = 796807536000.
The previous prime is 1312242412427. The next prime is 1312242412447. The reversal of 1312242412431 is 1342142422131.
It is a happy number.
It is not a de Polignac number, because 1312242412431 - 22 = 1312242412427 is a prime.
It is a super-2 number, since 2×13122424124312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1312242416431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415002345 + ... + 415005506.
It is an arithmetic number, because the mean of its divisors is an integer number (119521130688).
Almost surely, 21312242412431 is an apocalyptic number.
1312242412431 is a deficient number, since it is larger than the sum of its proper divisors (600095678577).
1312242412431 is a wasteful number, since it uses less digits than its factorization.
1312242412431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 830007902.
The product of its digits is 9216, while the sum is 30.
Adding to 1312242412431 its reverse (1342142422131), we get a palindrome (2654384834562).
The spelling of 1312242412431 in words is "one trillion, three hundred twelve billion, two hundred forty-two million, four hundred twelve thousand, four hundred thirty-one".
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