Base | Representation |
---|---|
bin | 10111010010011010010100… |
… | …11101011101010111000110 |
3 | 20201022122100000011112201200 |
4 | 23221031022131131113012 |
5 | 23203011333420303010 |
6 | 300525340541403330 |
7 | 13533545054334141 |
oct | 1351151235352706 |
9 | 221278300145650 |
10 | 51210144306630 |
11 | 15354111462971 |
12 | 58b0a51869546 |
13 | 227613288278a |
14 | c908270db058 |
15 | 5dc160210cc0 |
hex | 2e934a75d5c6 |
51210144306630 has 96 divisors (see below), whose sum is σ = 135449553002400. Its totient is φ = 13419973956096.
The previous prime is 51210144306599. The next prime is 51210144306631. The reversal of 51210144306630 is 3660344101215.
51210144306630 is a `hidden beast` number, since 5 + 1 + 2 + 1 + 0 + 14 + 4 + 3 + 0 + 6 + 630 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51210144306631) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13836186 + ... + 17142354.
It is an arithmetic number, because the mean of its divisors is an integer number (1410932843775).
Almost surely, 251210144306630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51210144306630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67724776501200).
51210144306630 is an abundant number, since it is smaller than the sum of its proper divisors (84239408695770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51210144306630 is a wasteful number, since it uses less digits than its factorization.
51210144306630 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3309158 (or 3309155 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
Adding to 51210144306630 its reverse (3660344101215), we get a palindrome (54870488407845).
The spelling of 51210144306630 in words is "fifty-one trillion, two hundred ten billion, one hundred forty-four million, three hundred six thousand, six hundred thirty".
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