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85305379600 = 24527375031637
BaseRepresentation
bin100111101110010011…
…0001100101100010000
322011012002010021121201
41033130212030230100
52344201134121400
6103104434200544
76106642522420
oct1173446145420
9264162107551
1085305379600
11331a5732321
1214648723154
138076325c9c
1441b3610480
15234414806a
hex13dc98cb10

85305379600 has 240 divisors, whose sum is σ = 241180063488. Its totient is φ = 28383160320.

The previous prime is 85305379583. The next prime is 85305379631. The reversal of 85305379600 is 697350358.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52109982 + ... + 52111618.

Almost surely, 285305379600 is an apocalyptic number.

85305379600 is a gapful number since it is divisible by the number (80) 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 85305379600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120590031744).

85305379600 is an abundant number, since it is smaller than the sum of its proper divisors (155874683888).

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

85305379600 is a wasteful number, since it uses less digits than its factorization.

85305379600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2191 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 85305379600 in words is "eighty-five billion, three hundred five million, three hundred seventy-nine thousand, six hundred".