Base | Representation |
---|---|
bin | 101111100101110100… |
… | …010010101000000101 |
3 | 11212220021021202022101 |
4 | 233211310102220011 |
5 | 1314123141034001 |
6 | 35250345232101 |
7 | 3456212433253 |
oct | 574564225005 |
9 | 155807252271 |
10 | 51100330501 |
11 | 1a742893700 |
12 | 9aa1492631 |
13 | 4a84a07c6c |
14 | 268a9175d3 |
15 | 14e1293a01 |
hex | be5d12a05 |
51100330501 has 24 divisors (see below), whose sum is σ = 59478834240. Its totient is φ = 43745993280.
The previous prime is 51100330483. The next prime is 51100330511. The reversal of 51100330501 is 10503300115.
It is not a de Polignac number, because 51100330501 - 213 = 51100322309 is a prime.
It is a super-2 number, since 2×511003305012 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51100330511) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317385 + ... + 450481.
It is an arithmetic number, because the mean of its divisors is an integer number (2478284760).
Almost surely, 251100330501 is an apocalyptic number.
It is an amenable number.
51100330501 is a deficient number, since it is larger than the sum of its proper divisors (8378503739).
51100330501 is a wasteful number, since it uses less digits than its factorization.
51100330501 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133305 (or 133294 counting only the distinct ones).
The product of its (nonzero) digits is 225, while the sum is 19.
Adding to 51100330501 its reverse (10503300115), we get a palindrome (61603630616).
The spelling of 51100330501 in words is "fifty-one billion, one hundred million, three hundred thirty thousand, five hundred one".
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