Base | Representation |
---|---|
bin | 101111100010110101… |
… | …110010011101000000 |
3 | 11212202210022120200120 |
4 | 233202311302131000 |
5 | 1314022400010420 |
6 | 35241403020240 |
7 | 3455035111143 |
oct | 574265623500 |
9 | 155683276616 |
10 | 51050391360 |
11 | 1a717684691 |
12 | 9a8880a680 |
13 | 4a77571487 |
14 | 268403805a |
15 | 14dbbcbd40 |
hex | be2d72740 |
51050391360 has 112 divisors (see below), whose sum is σ = 162520676736. Its totient is φ = 13576845312.
The previous prime is 51050391331. The next prime is 51050391361. The reversal of 51050391360 is 6319305015.
51050391360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×510503913602 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51050391361) 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, 286797 + ... + 429363.
Almost surely, 251050391360 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51050391360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81260338368).
51050391360 is an abundant number, since it is smaller than the sum of its proper divisors (111470285376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51050391360 is a wasteful number, since it uses less digits than its factorization.
51050391360 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142960 (or 142950 counting only the distinct ones).
The product of its (nonzero) digits is 12150, while the sum is 33.
Adding to 51050391360 its reverse (6319305015), we get a palindrome (57369696375).
The spelling of 51050391360 in words is "fifty-one billion, fifty million, three hundred ninety-one thousand, three hundred sixty".
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