Base | Representation |
---|---|
bin | 101111110100100111… |
… | …110010001010101000 |
3 | 11220112120122202000011 |
4 | 233310213302022220 |
5 | 1320130232210211 |
6 | 35331141021304 |
7 | 3465316556020 |
oct | 576447621250 |
9 | 156476582004 |
10 | 51348710056 |
11 | 1a86000a966 |
12 | 9b506b4834 |
13 | 4ac4300c07 |
14 | 26b18d0a80 |
15 | 1507ea7921 |
hex | bf49f22a8 |
51348710056 has 32 divisors (see below), whose sum is σ = 110070000000. Its totient is φ = 21999180096.
The previous prime is 51348710029. The next prime is 51348710087. The reversal of 51348710056 is 65001784315.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15070 + ... + 320818.
It is an arithmetic number, because the mean of its divisors is an integer number (3439687500).
Almost surely, 251348710056 is an apocalyptic number.
51348710056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
51348710056 is an abundant number, since it is smaller than the sum of its proper divisors (58721289944).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51348710056 is a wasteful number, since it uses less digits than its factorization.
51348710056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 308761 (or 308757 counting only the distinct ones).
The product of its (nonzero) digits is 100800, while the sum is 40.
The spelling of 51348710056 in words is "fifty-one billion, three hundred forty-eight million, seven hundred ten thousand, fifty-six".
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