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5493391680 = 263574191951
BaseRepresentation
bin1010001110110111…
…01000000101000000
3112011211210012201010
411013123220011000
542222302013210
62305034240520
7253063026120
oct50733500500
915154705633
105493391680
112369970527
121093886140
1369713bb2a
143a1816c80
15222416920
hex1476e8140

5493391680 has 224 divisors, whose sum is σ = 19990978560. Its totient is φ = 1251993600.

The previous prime is 5493391649. The next prime is 5493391789. The reversal of 5493391680 is 861933945.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2814705 + ... + 2816655.

It is an arithmetic number, because the mean of its divisors is an integer number (89245440).

Almost surely, 25493391680 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 5493391680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9995489280).

5493391680 is an abundant number, since it is smaller than the sum of its proper divisors (14497586880).

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

5493391680 is a wasteful number, since it uses less digits than its factorization.

5493391680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2397 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 5493391680 is about 74117.4181957251. The cubic root of 5493391680 is about 1764.4669245907.

The spelling of 5493391680 in words is "five billion, four hundred ninety-three million, three hundred ninety-one thousand, six hundred eighty".