Base | Representation |
---|---|
bin | 1110001010010111011111… |
… | …01100011100100110100011 |
3 | 11002021012022202112221122122 |
4 | 13011023233230130212203 |
5 | 13040214402240131430 |
6 | 150122403250254455 |
7 | 6362655013620365 |
oct | 705135754344643 |
9 | 132235282487578 |
10 | 31142534302115 |
11 | 9a17524802845 |
12 | 35ab76b88742b |
13 | 144b961349412 |
14 | 799441840d35 |
15 | 39014e9b5ee5 |
hex | 1c52efb1c9a3 |
31142534302115 has 16 divisors (see below), whose sum is σ = 37984481400096. Its totient is φ = 24505084492800.
The previous prime is 31142534302063. The next prime is 31142534302207. The reversal of 31142534302115 is 51120343524113.
It is not a de Polignac number, because 31142534302115 - 212 = 31142534298019 is a prime.
It is a Duffinian number.
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, 13760435 + ... + 15862995.
It is an arithmetic number, because the mean of its divisors is an integer number (2374030087506).
Almost surely, 231142534302115 is an apocalyptic number.
31142534302115 is a deficient number, since it is larger than the sum of its proper divisors (6841947097981).
31142534302115 is a wasteful number, since it uses less digits than its factorization.
31142534302115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2151190.
The product of its (nonzero) digits is 43200, while the sum is 35.
Adding to 31142534302115 its reverse (51120343524113), we get a palindrome (82262877826228).
The spelling of 31142534302115 in words is "thirty-one trillion, one hundred forty-two billion, five hundred thirty-four million, three hundred two thousand, one hundred fifteen".
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