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69930847056 = 243723141149157
BaseRepresentation
bin100000100100000110…
…1000000101101010000
320200111121020002212110
41001020031000231100
52121204244101211
652043100425320
75023644251400
oct1011015005520
9220447202773
1069930847056
112772615a484
1211677848240
136796014555
143555774800
151c44500ea6
hex1048340b50

69930847056 has 480 divisors, whose sum is σ = 225135590400. Its totient is φ = 18618163200.

The previous prime is 69930847039. The next prime is 69930847079. The reversal of 69930847056 is 65074803996.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69930846987 and 69930847005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 445419330 + ... + 445419486.

It is an arithmetic number, because the mean of its divisors is an integer number (469032480).

Almost surely, 269930847056 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 69930847056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112567795200).

69930847056 is an abundant number, since it is smaller than the sum of its proper divisors (155204743344).

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

69930847056 is a wasteful number, since it uses less digits than its factorization.

69930847056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 69930847056 in words is "sixty-nine billion, nine hundred thirty million, eight hundred forty-seven thousand, fifty-six".