Base | Representation |
---|---|
bin | 10011000101111111111… |
… | …000000100100000100101 |
3 | 11122102210020021001101200 |
4 | 103011333320010200211 |
5 | 132444200232231440 |
6 | 2442435240113113 |
7 | 163540214431236 |
oct | 23057770044045 |
9 | 4572706231350 |
10 | 1312110430245 |
11 | 46651014972a |
12 | 192367165799 |
13 | 969680b50b4 |
14 | 47713b1108d |
15 | 241e720ac30 |
hex | 1317fe04825 |
1312110430245 has 48 divisors (see below), whose sum is σ = 2442025677312. Its totient is φ = 649351503360.
The previous prime is 1312110430231. The next prime is 1312110430273. The reversal of 1312110430245 is 5420340112131.
1312110430245 is a `hidden beast` number, since 1 + 312 + 1 + 1 + 0 + 4 + 302 + 45 = 666.
It is not a de Polignac number, because 1312110430245 - 26 = 1312110430181 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12024397 + ... + 12133026.
It is an arithmetic number, because the mean of its divisors is an integer number (50875534944).
Almost surely, 21312110430245 is an apocalyptic number.
1312110430245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1312110430245 is a deficient number, since it is larger than the sum of its proper divisors (1129915247067).
1312110430245 is a wasteful number, since it uses less digits than its factorization.
1312110430245 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24157522 (or 24157519 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 1312110430245 its reverse (5420340112131), we get a palindrome (6732450542376).
The spelling of 1312110430245 in words is "one trillion, three hundred twelve billion, one hundred ten million, four hundred thirty thousand, two hundred forty-five".
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