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1685016612416 = 261953157241691
BaseRepresentation
bin11000100001010010110…
…100010000111001000000
312222002022201000212111002
4120201102310100321000
5210101403223044131
63330030321511132
7232511165612564
oct30412264207100
95862281025432
101685016612416
1159a67aa49745
122326987a24a8
13c2b86484c67
145b7ab80d6a4
152dc701db6cb
hex18852d10e40

1685016612416 has 224 divisors, whose sum is σ = 3629159233920. Its totient is φ = 773767987200.

The previous prime is 1685016612413. The next prime is 1685016612431. The reversal of 1685016612416 is 6142166105861.

It is not an unprimeable number, because it can be changed into a prime (1685016612413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2438518631 + ... + 2438519321.

Almost surely, 21685016612416 is an apocalyptic number.

1685016612416 is a gapful number since it is divisible by the number (16) 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 1685016612416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814579616960).

1685016612416 is an abundant number, since it is smaller than the sum of its proper divisors (1944142621504).

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

1685016612416 is a wasteful number, since it uses less digits than its factorization.

1685016612416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1685016612416 in words is "one trillion, six hundred eighty-five billion, sixteen million, six hundred twelve thousand, four hundred sixteen".