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2130246384 = 243722353743
BaseRepresentation
bin111111011111000…
…1111101011110000
312111110102201200020
41332332033223300
513330320341014
6551214323440
7103534536600
oct17676175360
95443381606
102130246384
119a3517702
124b54b9580
1327c44b026
14162cc0c00
15c703e1a9
hex7ef8faf0

2130246384 has 240 divisors, whose sum is σ = 6815135232. Its totient is φ = 570425856.

The previous prime is 2130246379. The next prime is 2130246403. The reversal of 2130246384 is 4836420312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2866717 + ... + 2867459.

Almost surely, 22130246384 is an apocalyptic number.

2130246384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130246384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3407567616).

2130246384 is an abundant number, since it is smaller than the sum of its proper divisors (4684888848).

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

2130246384 is a wasteful number, since it uses less digits than its factorization.

2130246384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 2130246384 is about 46154.5922308929. The cubic root of 2130246384 is about 1286.6979595719.

Adding to 2130246384 its reverse (4836420312), we get a palindrome (6966666696).

The spelling of 2130246384 in words is "two billion, one hundred thirty million, two hundred forty-six thousand, three hundred eighty-four".