Base | Representation |
---|---|
bin | 101111100010110100… |
… | …111010001000000010 |
3 | 11212202202212212012110 |
4 | 233202310322020002 |
5 | 1314022320120032 |
6 | 35241354040150 |
7 | 3455033130405 |
oct | 574264721002 |
9 | 155682785173 |
10 | 51050160642 |
11 | 1a717537308 |
12 | 9a88719056 |
13 | 4a774c0460 |
14 | 2683db7d3c |
15 | 14dbb837cc |
hex | be2d3a202 |
51050160642 has 64 divisors (see below), whose sum is σ = 116467908480. Its totient is φ = 14777938944.
The previous prime is 51050160641. The next prime is 51050160647. The reversal of 51050160642 is 24606105015.
It is a super-2 number, since 2×510501606422 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51050160641) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4275693 + ... + 4287615.
It is an arithmetic number, because the mean of its divisors is an integer number (1819811070).
Almost surely, 251050160642 is an apocalyptic number.
51050160642 is an abundant number, since it is smaller than the sum of its proper divisors (65417747838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51050160642 is a wasteful number, since it uses less digits than its factorization.
51050160642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15187.
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 51050160642 its reverse (24606105015), we get a palindrome (75656265657).
The spelling of 51050160642 in words is "fifty-one billion, fifty million, one hundred sixty thousand, six hundred forty-two".
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