Base | Representation |
---|---|
bin | 11110110001110111001… |
… | …111000101010110000001 |
3 | 21111012111122121220022020 |
4 | 132301313033011112001 |
5 | 234123233313234020 |
6 | 4255401423232053 |
7 | 305545516232262 |
oct | 36616717052601 |
9 | 7435448556266 |
10 | 2115124352385 |
11 | 746023612770 |
12 | 2a1b12a48629 |
13 | 1245bc5abb45 |
14 | 74530464969 |
15 | 3a044de1c40 |
hex | 1ec773c5581 |
2115124352385 has 32 divisors (see below), whose sum is σ = 3704453682048. Its totient is φ = 1022014763520.
The previous prime is 2115124352377. The next prime is 2115124352449. The reversal of 2115124352385 is 5832534215112.
It is a happy number.
It is not a de Polignac number, because 2115124352385 - 23 = 2115124352377 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, 21826972 + ... + 21923661.
It is an arithmetic number, because the mean of its divisors is an integer number (115764177564).
Almost surely, 22115124352385 is an apocalyptic number.
It is an amenable number.
2115124352385 is a deficient number, since it is larger than the sum of its proper divisors (1589329329663).
2115124352385 is a wasteful number, since it uses less digits than its factorization.
2115124352385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43750945.
The product of its digits is 288000, while the sum is 42.
Adding to 2115124352385 its reverse (5832534215112), we get a palindrome (7947658567497).
The spelling of 2115124352385 in words is "two trillion, one hundred fifteen billion, one hundred twenty-four million, three hundred fifty-two thousand, three hundred eighty-five".
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