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52047136715400 = 2335525991787861
BaseRepresentation
bin10111101010110001010110…
…00110000111001010001000
320211021122202110001100200000
423311120223012013022020
523310220013444343100
6302410042521443000
713651165365406341
oct1365305306071210
9224248673040600
1052047136715400
111564708089a912
125a07100940460
13230704076cb08
14cbd14840d0c8
15603ceae46900
hex2f562b187288

52047136715400 has 288 divisors, whose sum is σ = 181568113272000. Its totient is φ = 13856058028800.

The previous prime is 52047136715383. The next prime is 52047136715447. The reversal of 52047136715400 is 451763174025.

52047136715400 is a `hidden beast` number, since 5 + 2 + 0 + 4 + 7 + 1 + 36 + 71 + 540 + 0 = 666.

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 71 ways as a sum of consecutive naturals, for example, 28217470 + ... + 30005330.

It is an arithmetic number, because the mean of its divisors is an integer number (630444837750).

Almost surely, 252047136715400 is an apocalyptic number.

52047136715400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52047136715400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90784056636000).

52047136715400 is an abundant number, since it is smaller than the sum of its proper divisors (129520976556600).

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

52047136715400 is a wasteful number, since it uses less digits than its factorization.

52047136715400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788491 (or 1788470 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

Adding to 52047136715400 its reverse (451763174025), we get a palindrome (52498899889425).

The spelling of 52047136715400 in words is "fifty-two trillion, forty-seven billion, one hundred thirty-six million, seven hundred fifteen thousand, four hundred".