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5100981994720 = 25581139310897
BaseRepresentation
bin100101000111010101000…
…1110000100010011100000
3200001122112012112222011201
41022032222032010103200
51132033302342312340
614503205255050544
71034351042361043
oct112165216042340
920048465488151
105100981994720
111697350398847
126a4730670a54
132b0036178671
14138c62dc8c5a
158ca4cc8279a
hex4a3aa3844e0

5100981994720 has 48 divisors (see below), whose sum is σ = 12065929788528. Its totient is φ = 2037876848640.

The previous prime is 5100981994657. The next prime is 5100981994721. The reversal of 5100981994720 is 274991890015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5100981994721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19525689 + ... + 19785208.

It is an arithmetic number, because the mean of its divisors is an integer number (251373537261).

Almost surely, 25100981994720 is an apocalyptic number.

It is an amenable number.

5100981994720 is an abundant number, since it is smaller than the sum of its proper divisors (6964947793808).

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

5100981994720 is a wasteful number, since it uses less digits than its factorization.

5100981994720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39311723 (or 39311715 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 5100981994720 in words is "five trillion, one hundred billion, nine hundred eighty-one million, nine hundred ninety-four thousand, seven hundred twenty".