Base | Representation |
---|---|
bin | 101111100011011100… |
… | …110001010000010100 |
3 | 11212210111112202010020 |
4 | 233203130301100110 |
5 | 1314033004010233 |
6 | 35242410025140 |
7 | 3455221011246 |
oct | 574334612024 |
9 | 155714482106 |
10 | 51060610068 |
11 | 1a7224240a6 |
12 | 9a901181b0 |
13 | 4a7970b750 |
14 | 2685538096 |
15 | 14dca499b3 |
hex | be3731414 |
51060610068 has 96 divisors (see below), whose sum is σ = 133090742400. Its totient is φ = 15128031744.
The previous prime is 51060610063. The next prime is 51060610087. The reversal of 51060610068 is 86001606015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51060610063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1672323 + ... + 1702581.
It is an arithmetic number, because the mean of its divisors is an integer number (1386361900).
Almost surely, 251060610068 is an apocalyptic number.
51060610068 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51060610068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66545371200).
51060610068 is an abundant number, since it is smaller than the sum of its proper divisors (82030132332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51060610068 is a wasteful number, since it uses less digits than its factorization.
51060610068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30681 (or 30679 counting only the distinct ones).
The product of its (nonzero) digits is 8640, while the sum is 33.
The spelling of 51060610068 in words is "fifty-one billion, sixty million, six hundred ten thousand, sixty-eight".
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