Base | Representation |
---|---|
bin | 110000000000010100… |
… | …101011110111110010 |
3 | 11221001021001211112000 |
4 | 300000110223313302 |
5 | 1321031011431010 |
6 | 35402432514430 |
7 | 3503222345526 |
oct | 600024536762 |
9 | 157037054460 |
10 | 51545030130 |
11 | 1a95090a060 |
12 | 9ba63aba16 |
13 | 4b25b9a239 |
14 | 26cd9d5d86 |
15 | 151a3367c0 |
hex | c0052bdf2 |
51545030130 has 64 divisors (see below), whose sum is σ = 149949187200. Its totient is φ = 12495764160.
The previous prime is 51545030027. The next prime is 51545030153. The reversal of 51545030130 is 3103054515.
51545030130 is a `hidden beast` number, since 5 + 154 + 503 + 0 + 1 + 3 + 0 = 666.
It is a super-2 number, since 2×515450301302 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 51545030094 and 51545030103.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8674645 + ... + 8680584.
It is an arithmetic number, because the mean of its divisors is an integer number (2342956050).
Almost surely, 251545030130 is an apocalyptic number.
51545030130 is an abundant number, since it is smaller than the sum of its proper divisors (98404157070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51545030130 is a wasteful number, since it uses less digits than its factorization.
51545030130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17355256 (or 17355250 counting only the distinct ones).
The product of its (nonzero) digits is 4500, while the sum is 27.
Adding to 51545030130 its reverse (3103054515), we get a palindrome (54648084645).
The spelling of 51545030130 in words is "fifty-one billion, five hundred forty-five million, thirty thousand, one hundred thirty".
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