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85949229749760 = 29325131915102977
BaseRepresentation
bin10011100010101110011101…
…010011101101011000000000
3102021022122222121012122012200
4103202232131103231120000
542231143010303443020
6502444310412553200
724050425015456326
oct2342563523553000
9367278877178180
1085949229749760
11254279555580a3
129781653182800
1338c5c929b7510
141731d71a2dd16
159e0b0b5ce590
hex4e2b9d4ed600

85949229749760 has 480 divisors, whose sum is σ = 337435567428960. Its totient is φ = 20043219861504.

The previous prime is 85949229749711. The next prime is 85949229749767. The reversal of 85949229749760 is 6794792294958.

85949229749760 is a `hidden beast` number, since 8 + 5 + 9 + 49 + 2 + 29 + 7 + 497 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a self number, because there is not a number n which added to its sum of digits gives 85949229749760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85949229749767) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1860609 + ... + 13242368.

It is an arithmetic number, because the mean of its divisors is an integer number (702990765477).

Almost surely, 285949229749760 is an apocalyptic number.

85949229749760 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 85949229749760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168717783714480).

85949229749760 is an abundant number, since it is smaller than the sum of its proper divisors (251486337679200).

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

85949229749760 is a wasteful number, since it uses less digits than its factorization.

85949229749760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15103038 (or 15103019 counting only the distinct ones).

The product of its (nonzero) digits is 4938071040, while the sum is 81.

The spelling of 85949229749760 in words is "eighty-five trillion, nine hundred forty-nine billion, two hundred twenty-nine million, seven hundred forty-nine thousand, seven hundred sixty".