Base | Representation |
---|---|
bin | 11111010011011111111… |
… | …101010010001000001101 |
3 | 21121122201200112022222101 |
4 | 133103133331102020031 |
5 | 240221220201012310 |
6 | 4324133321115101 |
7 | 311264521032016 |
oct | 37233775221015 |
9 | 7548650468871 |
10 | 2151241032205 |
11 | 75a377530891 |
12 | 2a8b12328a91 |
13 | 127b26c735c5 |
14 | 76198db200d |
15 | 3ae5aa0043a |
hex | 1f4dff5220d |
2151241032205 has 16 divisors (see below), whose sum is σ = 2587657970304. Its totient is φ = 1716882713280.
The previous prime is 2151241032197. The next prime is 2151241032223. The reversal of 2151241032205 is 5022301421512.
It is a happy number.
It is not a de Polignac number, because 2151241032205 - 23 = 2151241032197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7185079 + ... + 7478491.
It is an arithmetic number, because the mean of its divisors is an integer number (161728623144).
Almost surely, 22151241032205 is an apocalyptic number.
It is an amenable number.
2151241032205 is a deficient number, since it is larger than the sum of its proper divisors (436416938099).
2151241032205 is a wasteful number, since it uses less digits than its factorization.
2151241032205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 296916.
The product of its (nonzero) digits is 4800, while the sum is 28.
Adding to 2151241032205 its reverse (5022301421512), we get a palindrome (7173542453717).
The spelling of 2151241032205 in words is "two trillion, one hundred fifty-one billion, two hundred forty-one million, thirty-two thousand, two hundred five".
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