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3130030320 = 2435293189163
BaseRepresentation
bin1011101010010000…
…0111100011110000
322002010201000101220
42322210013203300
522402241432240
61234331225040
7140364550554
oct27244074360
98063630356
103130030320
11136690311a
127342a8180
133ab610a61
142199b3864
15134bcb5d0
hexba9078f0

3130030320 has 320 divisors, whose sum is σ = 10542182400. Its totient is φ = 766402560.

The previous prime is 3130030313. The next prime is 3130030333. The reversal of 3130030320 is 230300313.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3130030320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19202559 + ... + 19202721.

It is an arithmetic number, because the mean of its divisors is an integer number (32944320).

Almost surely, 23130030320 is an apocalyptic number.

3130030320 is a gapful number since it is divisible by the number (30) 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 3130030320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5271091200).

3130030320 is an abundant number, since it is smaller than the sum of its proper divisors (7412152080).

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

3130030320 is a wasteful number, since it uses less digits than its factorization.

3130030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 3130030320 is about 55946.6738957733. The cubic root of 3130030320 is about 1462.7929149584.

Adding to 3130030320 its reverse (230300313), we get a palindrome (3360330633).

The spelling of 3130030320 in words is "three billion, one hundred thirty million, thirty thousand, three hundred twenty".