Base | Representation |
---|---|
bin | 11011011110010011110… |
… | …100101111001011001101 |
3 | 20200111011220222200120201 |
4 | 123132103310233023031 |
5 | 221413031000442123 |
6 | 4003153300413501 |
7 | 253254450215533 |
oct | 33362364571315 |
9 | 6614156880521 |
10 | 1887970718413 |
11 | 66875828445a |
12 | 265a996a7291 |
13 | 10905b80a140 |
14 | 67541d8c153 |
15 | 3419cb8b5ad |
hex | 1b793d2f2cd |
1887970718413 has 16 divisors (see below), whose sum is σ = 2091813309376. Its totient is φ = 1693214202240.
The previous prime is 1887970718401. The next prime is 1887970718419. The reversal of 1887970718413 is 3148170797881.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1887970718413 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1887970718419) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14782923 + ... + 14910088.
It is an arithmetic number, because the mean of its divisors is an integer number (130738331836).
Almost surely, 21887970718413 is an apocalyptic number.
1887970718413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1887970718413 is a deficient number, since it is larger than the sum of its proper divisors (203842590963).
1887970718413 is a wasteful number, since it uses less digits than its factorization.
1887970718413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29693164.
The product of its (nonzero) digits is 18966528, while the sum is 64.
The spelling of 1887970718413 in words is "one trillion, eight hundred eighty-seven billion, nine hundred seventy million, seven hundred eighteen thousand, four hundred thirteen".
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