Base | Representation |
---|---|
bin | 1000010001001001101… |
… | …1110110010100010111 |
3 | 111120122020100202100211 |
4 | 2010102123312110113 |
5 | 4311401030223111 |
6 | 145130450550251 |
7 | 13155651241531 |
oct | 2042233662427 |
9 | 446566322324 |
10 | 142043211031 |
11 | 552707648a7 |
12 | 23641b98387 |
13 | 10518c885c7 |
14 | 6c36b34851 |
15 | 3a652bc521 |
hex | 21126f6517 |
142043211031 has 2 divisors, whose sum is σ = 142043211032. Its totient is φ = 142043211030.
The previous prime is 142043211007. The next prime is 142043211053. The reversal of 142043211031 is 130112340241.
It is an a-pointer prime, because the next prime (142043211053) can be obtained adding 142043211031 to its sum of digits (22).
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 142043211031 - 25 = 142043210999 is a prime.
It is a super-2 number, since 2×1420432110312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142043210993 and 142043211011.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (142043215031) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021605515 + 71021605516.
It is an arithmetic number, because the mean of its divisors is an integer number (71021605516).
Almost surely, 2142043211031 is an apocalyptic number.
142043211031 is a deficient number, since it is larger than the sum of its proper divisors (1).
142043211031 is an equidigital number, since it uses as much as digits as its factorization.
142043211031 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 142043211031 its reverse (130112340241), we get a palindrome (272155551272).
The spelling of 142043211031 in words is "one hundred forty-two billion, forty-three million, two hundred eleven thousand, thirty-one".
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