Base | Representation |
---|---|
bin | 111011110001000… |
… | …0011001010010111 |
3 | 12011202112121121000 |
4 | 1313202003022113 |
5 | 13101341231201 |
6 | 530554554343 |
7 | 100460512440 |
oct | 16742031227 |
9 | 5152477530 |
10 | 2005414551 |
11 | 93a0056a8 |
12 | 47b7389b3 |
13 | 25c621a3a |
14 | 1504a82c7 |
15 | bb0d1d86 |
hex | 77883297 |
2005414551 has 32 divisors (see below), whose sum is σ = 3543045120. Its totient is φ = 1096124832.
The previous prime is 2005414547. The next prime is 2005414553. The reversal of 2005414551 is 1554145002.
2005414551 is a `hidden beast` number, since 200 + 5 + 4 + 1 + 455 + 1 = 666.
2005414551 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 2005414551 - 22 = 2005414547 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2005414553) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226320 + ... + 235013.
It is an arithmetic number, because the mean of its divisors is an integer number (110720160).
Almost surely, 22005414551 is an apocalyptic number.
2005414551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
2005414551 is a deficient number, since it is larger than the sum of its proper divisors (1537630569).
2005414551 is a wasteful number, since it uses less digits than its factorization.
2005414551 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 461372 (or 461366 counting only the distinct ones).
The product of its (nonzero) digits is 4000, while the sum is 27.
The square root of 2005414551 is about 44781.8551536222. The cubic root of 2005414551 is about 1261.0570098554.
Adding to 2005414551 its reverse (1554145002), we get a palindrome (3559559553).
The spelling of 2005414551 in words is "two billion, five million, four hundred fourteen thousand, five hundred fifty-one".
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