Base | Representation |
---|---|
bin | 111110101001010… |
… | …1101000000100111 |
3 | 12102111101110022002 |
4 | 1331102231000213 |
5 | 13301111224301 |
6 | 544330155515 |
7 | 103043113043 |
oct | 17522550047 |
9 | 5374343262 |
10 | 2102054951 |
11 | 989611aa7 |
12 | 4a7b82b9b |
13 | 27665a2c9 |
14 | 15d263023 |
15 | c482116b |
hex | 7d4ad027 |
2102054951 has 8 divisors (see below), whose sum is σ = 2126995200. Its totient is φ = 2077249720.
The previous prime is 2102054923. The next prime is 2102054963. The reversal of 2102054951 is 1594502012.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2102054951 - 26 = 2102054887 is a prime.
It is a super-2 number, since 2×21020549512 = 8837270034047224802, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2102054921) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 64878.
It is an arithmetic number, because the mean of its divisors is an integer number (265874400).
Almost surely, 22102054951 is an apocalyptic number.
2102054951 is a deficient number, since it is larger than the sum of its proper divisors (24940249).
2102054951 is a wasteful number, since it uses less digits than its factorization.
2102054951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67509.
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 2102054951 is about 45848.1728207352. The cubic root of 2102054951 is about 1280.9967315817.
Adding to 2102054951 its reverse (1594502012), we get a palindrome (3696556963).
The spelling of 2102054951 in words is "two billion, one hundred two million, fifty-four thousand, nine hundred fifty-one".
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