Base | Representation |
---|---|
bin | 1010100011110011110… |
… | …1110000110011111001 |
3 | 122100020212122111210111 |
4 | 2220330331300303321 |
5 | 10433012312400410 |
6 | 215201140544321 |
7 | 16051354611664 |
oct | 2507475606371 |
9 | 570225574714 |
10 | 181411450105 |
11 | 6aa33041576 |
12 | 2b1aa3b20a1 |
13 | 141511a1922 |
14 | 8acd44c6db |
15 | 4abb5b0b8a |
hex | 2a3cf70cf9 |
181411450105 has 64 divisors (see below), whose sum is σ = 234555310080. Its totient is φ = 134425267200.
The previous prime is 181411450079. The next prime is 181411450177. The reversal of 181411450105 is 501054114181.
It is a de Polignac number, because none of the positive numbers 2k-181411450105 is a prime.
It is a super-2 number, since 2×1814114501052 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123324520 + ... + 123325990.
It is an arithmetic number, because the mean of its divisors is an integer number (3664926720).
Almost surely, 2181411450105 is an apocalyptic number.
It is an amenable number.
181411450105 is a deficient number, since it is larger than the sum of its proper divisors (53143859975).
181411450105 is a wasteful number, since it uses less digits than its factorization.
181411450105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1850.
The product of its (nonzero) digits is 3200, while the sum is 31.
Adding to 181411450105 its reverse (501054114181), we get a palindrome (682465564286).
The spelling of 181411450105 in words is "one hundred eighty-one billion, four hundred eleven million, four hundred fifty thousand, one hundred five".
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