Base | Representation |
---|---|
bin | 111101001111011001… |
… | …1110100011011101011 |
3 | 110120110101200002102001 |
4 | 1322132303310123223 |
5 | 4123314412344430 |
6 | 140225540351431 |
7 | 12334011324223 |
oct | 1723663643353 |
9 | 416411602361 |
10 | 131513403115 |
11 | 50857984306 |
12 | 215a36a5577 |
13 | c52b5aa633 |
14 | 651849b083 |
15 | 364ab593ca |
hex | 1e9ecf46eb |
131513403115 has 32 divisors (see below), whose sum is σ = 164130105600. Its totient is φ = 101041167360.
The previous prime is 131513403103. The next prime is 131513403179. The reversal of 131513403115 is 511304315131.
It is not a de Polignac number, because 131513403115 - 27 = 131513402987 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41341825 + ... + 41345005.
It is an arithmetic number, because the mean of its divisors is an integer number (5129065800).
Almost surely, 2131513403115 is an apocalyptic number.
131513403115 is a deficient number, since it is larger than the sum of its proper divisors (32616702485).
131513403115 is a wasteful number, since it uses less digits than its factorization.
131513403115 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4647.
The product of its (nonzero) digits is 2700, while the sum is 28.
Adding to 131513403115 its reverse (511304315131), we get a palindrome (642817718246).
The spelling of 131513403115 in words is "one hundred thirty-one billion, five hundred thirteen million, four hundred three thousand, one hundred fifteen".
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