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2080030680 = 2332571363493
BaseRepresentation
bin111101111111010…
…1011111111011000
312100221221111200100
41323332223333120
513224441440210
6542222135400
7102354653250
oct17376537730
95327844610
102080030680
11978139922
124a0721560
13271c186b0
1415a36c960
15c29205c0
hex7bfabfd8

2080030680 has 192 divisors, whose sum is σ = 8320253760. Its totient is φ = 438856704.

The previous prime is 2080030679. The next prime is 2080030717. The reversal of 2080030680 is 860300802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1014 + ... + 64506.

It is an arithmetic number, because the mean of its divisors is an integer number (43334655).

Almost surely, 22080030680 is an apocalyptic number.

2080030680 is a gapful number since it is divisible by the number (20) 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 2080030680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4160126880).

2080030680 is an abundant number, since it is smaller than the sum of its proper divisors (6240223080).

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

2080030680 is a wasteful number, since it uses less digits than its factorization.

2080030680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63530 (or 63523 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2080030680 is about 45607.3533544756. The cubic root of 2080030680 is about 1276.5071358704.

The spelling of 2080030680 in words is "two billion, eighty million, thirty thousand, six hundred eighty".