Base | Representation |
---|---|
bin | 11110101110001111001… |
… | …011100001000011011001 |
3 | 21110211110022210100102201 |
4 | 132232033023201003121 |
5 | 234042300130300233 |
6 | 4253515225330201 |
7 | 305350163165452 |
oct | 36561713410331 |
9 | 7424408710381 |
10 | 2111231103193 |
11 | 744405a10a53 |
12 | 2a1207036961 |
13 | 12411bb258b4 |
14 | 7428137c129 |
15 | 39db820677d |
hex | 1eb8f2e10d9 |
2111231103193 has 4 divisors (see below), whose sum is σ = 2112478140388. Its totient is φ = 2109984066000.
The previous prime is 2111231103161. The next prime is 2111231103217. The reversal of 2111231103193 is 3913011321112.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 235873406224 + 1875357696969 = 485668^2 + 1369437^2 .
It is a cyclic number.
It is not a de Polignac number, because 2111231103193 - 25 = 2111231103161 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2111231103143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623516058 + ... + 623519443.
It is an arithmetic number, because the mean of its divisors is an integer number (528119535097).
Almost surely, 22111231103193 is an apocalyptic number.
It is an amenable number.
2111231103193 is a deficient number, since it is larger than the sum of its proper divisors (1247037195).
2111231103193 is a wasteful number, since it uses less digits than its factorization.
2111231103193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1247037194.
The product of its (nonzero) digits is 972, while the sum is 28.
The spelling of 2111231103193 in words is "two trillion, one hundred eleven billion, two hundred thirty-one million, one hundred three thousand, one hundred ninety-three".
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