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5423821788 = 22371167791109
BaseRepresentation
bin1010000110100100…
…01111001111011100
3111222222212200202110
411003102033033130
542101444244123
62254111154020
7251256503340
oct50322171734
914888780673
105423821788
112333673650
121074515910
136858c1008
143964a7620
1521b273493
hex14348f3dc

5423821788 has 192 divisors, whose sum is σ = 16231219200. Its totient is φ = 1368956160.

The previous prime is 5423821787. The next prime is 5423821807. The reversal of 5423821788 is 8871283245.

Its product of digits (860160) is a multiple of the sum of its prime factors (1280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423821787) 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 63 ways as a sum of consecutive naturals, for example, 4890178 + ... + 4891286.

It is an arithmetic number, because the mean of its divisors is an integer number (84537600).

Almost surely, 25423821788 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 5423821788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8115609600).

5423821788 is an abundant number, since it is smaller than the sum of its proper divisors (10807397412).

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

5423821788 is a wasteful number, since it uses less digits than its factorization.

5423821788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1278 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 5423821788 is about 73646.6006547485. The cubic root of 5423821788 is about 1756.9866856736.

The spelling of 5423821788 in words is "five billion, four hundred twenty-three million, eight hundred twenty-one thousand, seven hundred eighty-eight".