Base | Representation |
---|---|
bin | 1100001011101… |
… | …1110101010011 |
3 | 10120011012102001 |
4 | 3002323311103 |
5 | 101040213021 |
6 | 5023134431 |
7 | 1160231353 |
oct | 302736523 |
9 | 116135361 |
10 | 51101011 |
11 | 26932a45 |
12 | 15144417 |
13 | a7825b0 |
14 | 6b02b63 |
15 | 4746091 |
hex | 30bbd53 |
51101011 has 8 divisors (see below), whose sum is σ = 55311200. Its totient is φ = 46930752.
The previous prime is 51101003. The next prime is 51101023. The reversal of 51101011 is 11010115.
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 51101011 - 23 = 51101003 is a prime.
It is a super-2 number, since 2×511010112 = 5222626650444242, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51141011) 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, 7290 + ... + 12463.
It is an arithmetic number, because the mean of its divisors is an integer number (6913900).
Almost surely, 251101011 is an apocalyptic number.
51101011 is a deficient number, since it is larger than the sum of its proper divisors (4210189).
51101011 is a wasteful number, since it uses less digits than its factorization.
51101011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19965.
The product of its (nonzero) digits is 5, while the sum is 10.
The square root of 51101011 is about 7148.4971147787. The cubic root of 51101011 is about 371.0876469687.
Adding to 51101011 its reverse (11010115), we get a palindrome (62111126).
It can be divided in two parts, 5 and 1101011, that multiplied together give a palindrome (5505055).
The spelling of 51101011 in words is "fifty-one million, one hundred one thousand, eleven".
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