Search a number
-
+
51682802853 = 3112349766653
BaseRepresentation
bin110000001000100010…
…001111110010100101
311221101212022102011110
4300020202033302211
51321321244142403
635424233455233
73506514401343
oct601042176245
9157355272143
1051682802853
111aa1165a810
12a024571519
134b485a7866
14270401a993
15152749d103
hexc0888fca5

51682802853 has 16 divisors (see below), whose sum is σ = 75179313216. Its totient is φ = 31321107840.

The previous prime is 51682802851. The next prime is 51682802869. The reversal of 51682802853 is 35820828615.

It is not a de Polignac number, because 51682802853 - 21 = 51682802851 is a prime.

It is a super-2 number, since 2×516828028532 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51682802851) 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, 742075 + ... + 808727.

It is an arithmetic number, because the mean of its divisors is an integer number (4698707076).

Almost surely, 251682802853 is an apocalyptic number.

It is an amenable number.

51682802853 is a deficient number, since it is larger than the sum of its proper divisors (23496510363).

51682802853 is a wasteful number, since it uses less digits than its factorization.

51682802853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90164.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 51682802853 in words is "fifty-one billion, six hundred eighty-two million, eight hundred two thousand, eight hundred fifty-three".

Divisors: 1 3 11 33 23497 66653 70491 199959 258467 733183 775401 2199549 1566145541 4698436623 17227600951 51682802853