Search a number
-
+
53838888378 = 23111747984749
BaseRepresentation
bin110010001001000011…
…000011110110111010
312010222010100220110220
4302021003003312322
51340230223412003
640422214120510
73614115000102
oct621103036672
9163863326426
1053838888378
1120918715780
12a526650136
1351001a1a02
14286a506202
1516018e3353
hexc890c3dba

53838888378 has 32 divisors (see below), whose sum is σ = 124376472000. Its totient is φ = 15355119360.

The previous prime is 53838888371. The next prime is 53838888407. The reversal of 53838888378 is 87388883835.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53838888371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23991253 + ... + 23993496.

It is an arithmetic number, because the mean of its divisors is an integer number (3886764750).

Almost surely, 253838888378 is an apocalyptic number.

53838888378 is an abundant number, since it is smaller than the sum of its proper divisors (70537583622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53838888378 is a wasteful number, since it uses less digits than its factorization.

53838888378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47984782.

The product of its digits is 247726080, while the sum is 69.

It can be divided in two parts, 5 and 3838888378, that added together give a palindrome (3838888383).

The spelling of 53838888378 in words is "fifty-three billion, eight hundred thirty-eight million, eight hundred eighty-eight thousand, three hundred seventy-eight".

Divisors: 1 2 3 6 11 17 22 33 34 51 66 102 187 374 561 1122 47984749 95969498 143954247 287908494 527832239 815740733 1055664478 1583496717 1631481466 2447222199 3166993434 4894444398 8973148063 17946296126 26919444189 53838888378