Base | Representation |
---|---|
bin | 101111100011000111… |
… | …110000010001001101 |
3 | 11212210010011212002212 |
4 | 233203013300101031 |
5 | 1314030101213010 |
6 | 35242052000205 |
7 | 3455123124656 |
oct | 574307602115 |
9 | 155703155085 |
10 | 51055101005 |
11 | 1a71a301057 |
12 | 9a8a300065 |
13 | 4a7853004c |
14 | 268490252d |
15 | 14dc30c505 |
hex | be31f044d |
51055101005 has 16 divisors (see below), whose sum is σ = 62445332160. Its totient is φ = 40061069568.
The previous prime is 51055100981. The next prime is 51055101007. The reversal of 51055101005 is 50010155015.
It is a happy number.
51055101005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 51055101005 - 28 = 51055100749 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51055101007) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64652 + ... + 326021.
It is an arithmetic number, because the mean of its divisors is an integer number (3902833260).
Almost surely, 251055101005 is an apocalyptic number.
It is an amenable number.
51055101005 is a deficient number, since it is larger than the sum of its proper divisors (11390231155).
51055101005 is a wasteful number, since it uses less digits than its factorization.
51055101005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 391180.
The product of its (nonzero) digits is 625, while the sum is 23.
The spelling of 51055101005 in words is "fifty-one billion, fifty-five million, one hundred one thousand, five".
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