Base | Representation |
---|---|
bin | 11101010010000111000… |
… | …001100000010111110111 |
3 | 21010101010100022022210110 |
4 | 131102013001200113313 |
5 | 230432202330412211 |
6 | 4140235323154103 |
7 | 265245626615034 |
oct | 35220701402767 |
9 | 7111110268713 |
10 | 2012310013431 |
11 | 7064635a6103 |
12 | 285bba675933 |
13 | 1179b59c16a3 |
14 | 6d57972a38b |
15 | 37528a88ea6 |
hex | 1d4870605f7 |
2012310013431 has 8 divisors (see below), whose sum is σ = 2715406283520. Its totient is φ = 1325376876152.
The previous prime is 2012310013397. The next prime is 2012310013447. The reversal of 2012310013431 is 1343100132102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2012310013431 - 210 = 2012310012407 is a prime.
It is a super-2 number, since 2×20123100134312 (a number of 25 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2012310013398 and 2012310013407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012310015431) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040782911 + ... + 4040783408.
It is an arithmetic number, because the mean of its divisors is an integer number (339425785440).
Almost surely, 22012310013431 is an apocalyptic number.
2012310013431 is a deficient number, since it is larger than the sum of its proper divisors (703096270089).
2012310013431 is an equidigital number, since it uses as much as digits as its factorization.
2012310013431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8081566405.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2012310013431 its reverse (1343100132102), we get a palindrome (3355410145533).
The spelling of 2012310013431 in words is "two trillion, twelve billion, three hundred ten million, thirteen thousand, four hundred thirty-one".
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