Base | Representation |
---|---|
bin | 101111100011011010… |
… | …101000100010000111 |
3 | 11212210110111021221000 |
4 | 233203122220202013 |
5 | 1314032333100210 |
6 | 35242350024343 |
7 | 3455213156460 |
oct | 574332504207 |
9 | 155713437830 |
10 | 51060050055 |
11 | 1a722081383 |
12 | 9a8baa80b3 |
13 | 4a79573891 |
14 | 268542dd67 |
15 | 14dc988ac0 |
hex | be36a8887 |
51060050055 has 64 divisors (see below), whose sum is σ = 104284569600. Its totient is φ = 23219447040.
The previous prime is 51060050053. The next prime is 51060050057. The reversal of 51060050055 is 55005006015.
51060050055 is a `hidden beast` number, since 5 + 1 + 0 + 600 + 5 + 0 + 0 + 55 = 666.
51060050055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (51060050053) and next prime (51060050057).
It is not a de Polignac number, because 51060050055 - 21 = 51060050053 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51060050053) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39051 + ... + 321939.
It is an arithmetic number, because the mean of its divisors is an integer number (1629446400).
Almost surely, 251060050055 is an apocalyptic number.
51060050055 is an abundant number, since it is smaller than the sum of its proper divisors (53224519545).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51060050055 is a wasteful number, since it uses less digits than its factorization.
51060050055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283101 (or 283095 counting only the distinct ones).
The product of its (nonzero) digits is 3750, while the sum is 27.
The spelling of 51060050055 in words is "fifty-one billion, sixty million, fifty thousand, fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •