Base | Representation |
---|---|
bin | 111101001001111100… |
… | …0011000110010010001 |
3 | 110112222121122211220000 |
4 | 1322103320120302101 |
5 | 4122430443114332 |
6 | 140155430440213 |
7 | 12326324005461 |
oct | 1722370306221 |
9 | 415877584800 |
10 | 131330051217 |
11 | 50773432312 |
12 | 21552203069 |
13 | c4cc601ba1 |
14 | 64dbdadba1 |
15 | 36399dcb7c |
hex | 1e93e18c91 |
131330051217 has 40 divisors (see below), whose sum is σ = 198933292800. Its totient is φ = 86331998016.
The previous prime is 131330051173. The next prime is 131330051231. The reversal of 131330051217 is 712150033131.
It is a happy number.
131330051217 is a `hidden beast` number, since 1 + 3 + 133 + 0 + 0 + 512 + 17 = 666.
It is not a de Polignac number, because 131330051217 - 27 = 131330051089 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (131330051257) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2620884 + ... + 2670522.
It is an arithmetic number, because the mean of its divisors is an integer number (4973332320).
Almost surely, 2131330051217 is an apocalyptic number.
It is an amenable number.
131330051217 is a deficient number, since it is larger than the sum of its proper divisors (67603241583).
131330051217 is an equidigital number, since it uses as much as digits as its factorization.
131330051217 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50107 (or 50098 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
Adding to 131330051217 its reverse (712150033131), we get a palindrome (843480084348).
The spelling of 131330051217 in words is "one hundred thirty-one billion, three hundred thirty million, fifty-one thousand, two hundred seventeen".
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