Base | Representation |
---|---|
bin | 110101110000010111011… |
… | …1000001001110001001011 |
3 | 222011022001111110002211111 |
4 | 1223200232320021301023 |
5 | 1432021342314034011 |
6 | 23414020555111151 |
7 | 1361526516466012 |
oct | 153405670116113 |
9 | 28138044402744 |
10 | 7388130221131 |
11 | 23993199a1140 |
12 | 9b3a51a424b7 |
13 | 41790ba9747a |
14 | 1b7831bd7a79 |
15 | cc2aeeeb121 |
hex | 6b82ee09c4b |
7388130221131 has 16 divisors (see below), whose sum is σ = 8234351191008. Its totient is φ = 6572145715200.
The previous prime is 7388130221107. The next prime is 7388130221221. The reversal of 7388130221131 is 1311220318837.
It is a cyclic number.
It is not a de Polignac number, because 7388130221131 - 25 = 7388130221099 is a prime.
It is a super-2 number, since 2×73881302211312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (7388130221431) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28395436 + ... + 28654441.
It is an arithmetic number, because the mean of its divisors is an integer number (514646949438).
Almost surely, 27388130221131 is an apocalyptic number.
7388130221131 is a deficient number, since it is larger than the sum of its proper divisors (846220969877).
7388130221131 is a wasteful number, since it uses less digits than its factorization.
7388130221131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57050142.
The product of its (nonzero) digits is 48384, while the sum is 40.
Adding to 7388130221131 its reverse (1311220318837), we get a palindrome (8699350539968).
The spelling of 7388130221131 in words is "seven trillion, three hundred eighty-eight billion, one hundred thirty million, two hundred twenty-one thousand, one hundred thirty-one".
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