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69223943880 = 2332571343157313
BaseRepresentation
bin100000001111000010…
…0011000111011001000
320121200100001201000100
41000132010120323020
52113232312201010
651445005205400
75000301546240
oct1003604307310
9217610051010
1069223943880
11273a3125683
12114bab60860
1366b2729050
1434c9920b20
151c024182c0
hex101e118ec8

69223943880 has 768 divisors, whose sum is σ = 286050885120. Its totient is φ = 14129676288.

The previous prime is 69223943851. The next prime is 69223943881. The reversal of 69223943880 is 8834932296.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (69223943881) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 221162604 + ... + 221162916.

It is an arithmetic number, because the mean of its divisors is an integer number (372462090).

Almost surely, 269223943880 is an apocalyptic number.

69223943880 is a gapful number since it is divisible by the number (60) 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 69223943880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143025442560).

69223943880 is an abundant number, since it is smaller than the sum of its proper divisors (216826941240).

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

69223943880 is a wasteful number, since it uses less digits than its factorization.

69223943880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 69223943880 in words is "sixty-nine billion, two hundred twenty-three million, nine hundred forty-three thousand, eight hundred eighty".