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3031300000 = 255530313
BaseRepresentation
bin1011010010101101…
…1111011110100000
321211020220222212101
42310223133132200
522202003100000
61220443140144
7135055424221
oct26453373640
97736828771
103031300000
1113160a9613
12707214654
13394023151
1420a833248
1512b1c7e6a
hexb4adf7a0

3031300000 has 72 divisors (see below), whose sum is σ = 7459608492. Its totient is φ = 1212480000.

The previous prime is 3031299989. The next prime is 3031300003. The reversal of 3031300000 is 31303.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 41835024 + 2989464976 = 6468^2 + 54676^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 3031300000.

It is not an unprimeable number, because it can be changed into a prime (3031300003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84844 + ... + 115156.

Almost surely, 23031300000 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 3031300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3729804246).

3031300000 is an abundant number, since it is smaller than the sum of its proper divisors (4428308492).

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

3031300000 is an frugal number, since it uses more digits than its factorization.

3031300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30348 (or 30320 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 3031300000 is about 55057.2429385998. The cubic root of 3031300000 is about 1447.2480503057.

Adding to 3031300000 its reverse (31303), we get a palindrome (3031331303).

It can be divided in two parts, 3031 and 300000, that added together give a triangular number (303031 = T778).

The spelling of 3031300000 in words is "three billion, thirty-one million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 30313 50000 60626 100000 121252 151565 242504 303130 485008 606260 757825 970016 1212520 1515650 2425040 3031300 3789125 4850080 6062600 7578250 12125200 15156500 18945625 24250400 30313000 37891250 60626000 75782500 94728125 121252000 151565000 189456250 303130000 378912500 606260000 757825000 1515650000 3031300000