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6872229797888 = 21372131969313
BaseRepresentation
bin110010000000001000011…
…0100001110000000000000
3220022222102111210012102102
41210000100310032000000
51400043311312013023
622341020410405532
71306334155316300
oct144002064160000
926288374705372
106872229797888
11220a550620394
1292ba73a308a8
133ab0826b9440
1419a890d63600
15bdb684e1628
hex64010d0e000

6872229797888 has 336 divisors, whose sum is σ = 18123717341520. Its totient is φ = 2575558508544.

The previous prime is 6872229797857. The next prime is 6872229797891. The reversal of 6872229797888 is 8887979222786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99113120 + ... + 99182432.

It is an arithmetic number, because the mean of its divisors is an integer number (53939634945).

Almost surely, 26872229797888 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 6872229797888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9061858670760).

6872229797888 is an abundant number, since it is smaller than the sum of its proper divisors (11251487543632).

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

6872229797888 is a wasteful number, since it uses less digits than its factorization.

6872229797888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69385 (or 69354 counting only the distinct ones).

The product of its digits is 5462360064, while the sum is 83.

The spelling of 6872229797888 in words is "six trillion, eight hundred seventy-two billion, two hundred twenty-nine million, seven hundred ninety-seven thousand, eight hundred eighty-eight".