Base | Representation |
---|---|
bin | 101111011111110110… |
… | …010101000100100110 |
3 | 11212122021212200011020 |
4 | 233133312111010212 |
5 | 1313422022422020 |
6 | 35232411152010 |
7 | 3453555363066 |
oct | 573766250446 |
9 | 155567780136 |
10 | 51000201510 |
11 | 1a6a1314275 |
12 | 9a73a45606 |
13 | 4a6a04a83b |
14 | 267b4d13a6 |
15 | 14d75b5c40 |
hex | bdfd95126 |
51000201510 has 32 divisors (see below), whose sum is σ = 122406716160. Its totient is φ = 13599361248.
The previous prime is 51000201401. The next prime is 51000201517. The reversal of 51000201510 is 1510200015.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 51000201510.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51000201517) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875349 + ... + 931791.
It is an arithmetic number, because the mean of its divisors is an integer number (3825209880).
Almost surely, 251000201510 is an apocalyptic number.
51000201510 is an abundant number, since it is smaller than the sum of its proper divisors (71406514650).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51000201510 is a wasteful number, since it uses less digits than its factorization.
51000201510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86572.
The product of its (nonzero) digits is 50, while the sum is 15.
Adding to 51000201510 its reverse (1510200015), we get a palindrome (52510401525).
The spelling of 51000201510 in words is "fifty-one billion, two hundred one thousand, five hundred ten".
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