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5421417923880 = 233457310974447
BaseRepresentation
bin100111011100100010110…
…1100001000010100101000
3201012021121221021202120000
41032321011230020110220
51202311030442031010
615310322013103000
71066453535004000
oct116710554102450
921167557252500
105421417923880
11180023509a0a2
12736859a87a60
13304311a9313a
1414a58028b000
15960545bb7c0
hex4ee45b08528

5421417923880 has 640 divisors, whose sum is σ = 21274285824000. Its totient is φ = 1237773229056.

The previous prime is 5421417923839. The next prime is 5421417923881. The reversal of 5421417923880 is 883297141245.

5421417923880 is a `hidden beast` number, since 5 + 421 + 41 + 79 + 2 + 38 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (5421417923881) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1219115817 + ... + 1219120263.

It is an arithmetic number, because the mean of its divisors is an integer number (33241071600).

Almost surely, 25421417923880 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 5421417923880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10637142912000).

5421417923880 is an abundant number, since it is smaller than the sum of its proper divisors (15852867900120).

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

5421417923880 is a wasteful number, since it uses less digits than its factorization.

5421417923880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5561 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 5421417923880 in words is "five trillion, four hundred twenty-one billion, four hundred seventeen million, nine hundred twenty-three thousand, eight hundred eighty".