Base | Representation |
---|---|
bin | 110000010100010010… |
… | …110000101111011001 |
3 | 11221220121111121221222 |
4 | 300110102300233121 |
5 | 1322222244220410 |
6 | 35500001541425 |
7 | 3514431214463 |
oct | 602422605731 |
9 | 157817447858 |
10 | 51880070105 |
11 | 20002a465a6 |
12 | a07a644875 |
13 | 4b7a416046 |
14 | 27222cb133 |
15 | 1539967955 |
hex | c144b0bd9 |
51880070105 has 8 divisors (see below), whose sum is σ = 62316009600. Its totient is φ = 41464105776.
The previous prime is 51880070041. The next prime is 51880070107. The reversal of 51880070105 is 50107008815.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51880070105 - 26 = 51880070041 is a prime.
It is a super-2 number, since 2×518800701052 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51880070107) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4988075 + ... + 4998464.
It is an arithmetic number, because the mean of its divisors is an integer number (7789501200).
Almost surely, 251880070105 is an apocalyptic number.
It is an amenable number.
51880070105 is a deficient number, since it is larger than the sum of its proper divisors (10435939495).
51880070105 is a wasteful number, since it uses less digits than its factorization.
51880070105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9987583.
The product of its (nonzero) digits is 11200, while the sum is 35.
The spelling of 51880070105 in words is "fifty-one billion, eight hundred eighty million, seventy thousand, one hundred five".
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