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6378525272472 = 233844331478371
BaseRepresentation
bin101110011010001110110…
…1110111010100110011000
3211120210002101121201210020
41130310131232322212120
51314001204432204342
621322130513150440
71225555542146133
oct134643556724630
924523071551706
106378525272472
11203a132257151
1287024b25b420
1337365290c472
14180a17ca521a
15b0dc040e0ec
hex5cd1dbba998

6378525272472 has 32 divisors (see below), whose sum is σ = 15948202390080. Its totient is φ = 2125923196320.

The previous prime is 6378525272437. The next prime is 6378525272477. The reversal of 6378525272472 is 2742725258736.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378525272477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15536554 + ... + 15941817.

It is an arithmetic number, because the mean of its divisors is an integer number (498381324690).

Almost surely, 26378525272472 is an apocalyptic number.

It is an amenable number.

6378525272472 is an abundant number, since it is smaller than the sum of its proper divisors (9569677117608).

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

6378525272472 is a wasteful number, since it uses less digits than its factorization.

6378525272472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31486823 (or 31486819 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 60.

The spelling of 6378525272472 in words is "six trillion, three hundred seventy-eight billion, five hundred twenty-five million, two hundred seventy-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 8443 16886 25329 33772 50658 67544 101316 202632 31478371 62956742 94435113 125913484 188870226 251826968 377740452 755480904 265771886353 531543772706 797315659059 1063087545412 1594631318118 2126175090824 3189262636236 6378525272472