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69190825968 = 24341123143331
BaseRepresentation
bin100000001110000011…
…0000011011111110000
320121121000202010210000
41000130012003133300
52113200322412333
651441423310000
74666420213455
oct1003406033760
9217530663700
1069190825968
1127386465700
12114aba4b300
1366a8901b54
1434c537d82c
151bee575713
hex101c1837f0

69190825968 has 600 divisors, whose sum is σ = 233205851648. Its totient is φ = 19758816000.

The previous prime is 69190825943. The next prime is 69190825997. The reversal of 69190825968 is 86952809196.

It is a super-3 number, since 3×691908259683 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 209035563 + ... + 209035893.

Almost surely, 269190825968 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 69190825968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116602925824).

69190825968 is an abundant number, since it is smaller than the sum of its proper divisors (164015025680).

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

69190825968 is a wasteful number, since it uses less digits than its factorization.

69190825968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 421 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 69190825968 in words is "sixty-nine billion, one hundred ninety million, eight hundred twenty-five thousand, nine hundred sixty-eight".