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5421291330 = 23571317199587
BaseRepresentation
bin1010000110010001…
…00101011101000010
3111222211010010121210
411003020211131002
542100322310310
62253541030550
7251226134040
oct50310453502
914884103553
105421291330
1123321a5464
1210736b5456
136852162c0
14396009390
1521ae23820
hex143225742

5421291330 has 256 divisors, whose sum is σ = 17069875200. Its totient is φ = 1069314048.

The previous prime is 5421291301. The next prime is 5421291331. The reversal of 5421291330 is 331921245.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5421291331) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 9235297 + ... + 9235883.

It is an arithmetic number, because the mean of its divisors is an integer number (66679200).

Almost surely, 25421291330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421291330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8534937600).

5421291330 is an abundant number, since it is smaller than the sum of its proper divisors (11648583870).

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

5421291330 is a wasteful number, since it uses less digits than its factorization.

5421291330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 5421291330 is about 73629.4189166260. The cubic root of 5421291330 is about 1756.7134052706.

The spelling of 5421291330 in words is "five billion, four hundred twenty-one million, two hundred ninety-one thousand, three hundred thirty".