Base | Representation |
---|---|
bin | 11101110011111010101001… |
… | …010011110110001101110010 |
3 | 122012020002102212112022011000 |
4 | 131303322221103312031302 |
5 | 114141110323112330002 |
6 | 1142503322325502430 |
7 | 36421313051640030 |
oct | 3563725123661562 |
9 | 565202385468130 |
10 | 131111012230002 |
11 | 3885996038a652 |
12 | 12856238871a16 |
13 | 582093b97a68c |
14 | 2453b41ddb550 |
15 | 1025771c0261c |
hex | 773ea94f6372 |
131111012230002 has 32 divisors (see below), whose sum is σ = 332980348521600. Its totient is φ = 37460289208464.
The previous prime is 131111012229991. The next prime is 131111012230013. The reversal of 131111012230002 is 200032210111131.
131111012230002 is a `hidden beast` number, since 1 + 311 + 110 + 12 + 230 + 0 + 0 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (131111012229991) and next prime (131111012230013).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173427264477 + ... + 173427265232.
It is an arithmetic number, because the mean of its divisors is an integer number (10405635891300).
Almost surely, 2131111012230002 is an apocalyptic number.
131111012230002 is an abundant number, since it is smaller than the sum of its proper divisors (201869336291598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131111012230002 is a wasteful number, since it uses less digits than its factorization.
131111012230002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346854529727 (or 346854529721 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 18.
Adding to 131111012230002 its reverse (200032210111131), we get a palindrome (331143222341133).
The spelling of 131111012230002 in words is "one hundred thirty-one trillion, one hundred eleven billion, twelve million, two hundred thirty thousand, two".
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