Base | Representation |
---|---|
bin | 1110001100010101011000… |
… | …01111001101001011101001 |
3 | 11002111122210001210210001110 |
4 | 13012022230033031023221 |
5 | 13042321312220240131 |
6 | 150213422050140533 |
7 | 6400566630123120 |
oct | 706125417151351 |
9 | 132448701723043 |
10 | 31210122040041 |
11 | 9a4315827769a |
12 | 3600892881749 |
13 | 1455142aa3a59 |
14 | 79c813d24ab7 |
15 | 391ca842c646 |
hex | 1c62ac3cd2e9 |
31210122040041 has 128 divisors (see below), whose sum is σ = 50900653440000. Its totient is φ = 16630545383424.
The previous prime is 31210122039991. The next prime is 31210122040049. The reversal of 31210122040041 is 14004022101213.
It is not a de Polignac number, because 31210122040041 - 26 = 31210122039977 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (31210122040049) 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 127 ways as a sum of consecutive naturals, for example, 9028092585 + ... + 9028096041.
It is an arithmetic number, because the mean of its divisors is an integer number (397661355000).
Almost surely, 231210122040041 is an apocalyptic number.
It is an amenable number.
31210122040041 is a deficient number, since it is larger than the sum of its proper divisors (19690531399959).
31210122040041 is a wasteful number, since it uses less digits than its factorization.
31210122040041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6371.
The product of its (nonzero) digits is 384, while the sum is 21.
Adding to 31210122040041 its reverse (14004022101213), we get a palindrome (45214144141254).
The spelling of 31210122040041 in words is "thirty-one trillion, two hundred ten billion, one hundred twenty-two million, forty thousand, forty-one".
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