Base | Representation |
---|---|
bin | 101111101111000100… |
… | …110000000011011010 |
3 | 11220022002112022021111 |
4 | 233233010300003122 |
5 | 1314432420442112 |
6 | 35314014130534 |
7 | 3463106516410 |
oct | 575704600332 |
9 | 156262468244 |
10 | 51255640282 |
11 | 1a8125221a0 |
12 | 9b254b0a4a |
13 | 4aaac45942 |
14 | 26a33c52b0 |
15 | 14eec215a7 |
hex | bef1300da |
51255640282 has 64 divisors (see below), whose sum is σ = 100952755200. Its totient is φ = 18908743680.
The previous prime is 51255640253. The next prime is 51255640283. The reversal of 51255640282 is 28204655215.
51255640282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (51255640283) 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, 7847194 + ... + 7853722.
It is an arithmetic number, because the mean of its divisors is an integer number (1577386800).
Almost surely, 251255640282 is an apocalyptic number.
51255640282 is a deficient number, since it is larger than the sum of its proper divisors (49697114918).
51255640282 is a wasteful number, since it uses less digits than its factorization.
51255640282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9251.
The product of its (nonzero) digits is 192000, while the sum is 40.
The spelling of 51255640282 in words is "fifty-one billion, two hundred fifty-five million, six hundred forty thousand, two hundred eighty-two".
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