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69189722112 = 21337894519
BaseRepresentation
bin100000001110000000…
…1110110000000000000
320121120221200001120110
41000130001312000000
52113200032101422
651441343511320
74666404635310
oct1003401660000
9217527601513
1069189722112
1127385881325
12114ab5b8540
1366a8606594
1434c5173440
151bee40860c
hex101c076000

69189722112 has 224 divisors, whose sum is σ = 213267340800. Its totient is φ = 19542048768.

The previous prime is 69189721987. The next prime is 69189722113. The reversal of 69189722112 is 21122798196.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69189722113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15308589 + ... + 15313107.

Almost surely, 269189722112 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 69189722112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106633670400).

69189722112 is an abundant number, since it is smaller than the sum of its proper divisors (144077618688).

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

69189722112 is an equidigital number, since it uses as much as digits as its factorization.

69189722112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644 (or 4620 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The spelling of 69189722112 in words is "sixty-nine billion, one hundred eighty-nine million, seven hundred twenty-two thousand, one hundred twelve".