Base | Representation |
---|---|
bin | 101111100110001101… |
… | …010011101001000100 |
3 | 11212220201121220212100 |
4 | 233212031103221010 |
5 | 1314131330411020 |
6 | 35251141552100 |
7 | 3456322245141 |
oct | 574615235104 |
9 | 155821556770 |
10 | 51106888260 |
11 | 1a74656263a |
12 | 9aa3715630 |
13 | 4a86192aac |
14 | 268b7433c8 |
15 | 14e1b3ba90 |
hex | be6353a44 |
51106888260 has 144 divisors (see below), whose sum is σ = 162946982016. Its totient is φ = 12940663296.
The previous prime is 51106888241. The next prime is 51106888271. The reversal of 51106888260 is 6288860115.
51106888260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×511068882602 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 522127 + ... + 612233.
It is an arithmetic number, because the mean of its divisors is an integer number (1131576264).
Almost surely, 251106888260 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51106888260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81473491008).
51106888260 is an abundant number, since it is smaller than the sum of its proper divisors (111840093756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51106888260 is a wasteful number, since it uses less digits than its factorization.
51106888260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90282 (or 90277 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 45.
The spelling of 51106888260 in words is "fifty-one billion, one hundred six million, eight hundred eighty-eight thousand, two hundred sixty".
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