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7013800000 = 265535069
BaseRepresentation
bin1101000100000111…
…00001100001000000
3200002210200221211101
412202003201201000
5103331013100000
63115550024144
7335544213334
oct64203414100
920083627741
107013800000
112a7a11a829
121438aa8054
1387a12831c
144a770d7c4
152b0b42e6a
hex1a20e1840

7013800000 has 84 divisors (see below), whose sum is σ = 17396894340. Its totient is φ = 2805440000.

The previous prime is 7013799979. The next prime is 7013800009. The reversal of 7013800000 is 83107.

It can be written as a sum of positive squares in 6 ways, for example, as 3615376384 + 3398423616 = 60128^2 + 58296^2 .

It is not an unprimeable number, because it can be changed into a prime (7013800009) 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, 182466 + ... + 217534.

It is an arithmetic number, because the mean of its divisors is an integer number (207105885).

Almost surely, 27013800000 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 7013800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8698447170).

7013800000 is an abundant number, since it is smaller than the sum of its proper divisors (10383094340).

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

7013800000 is an frugal number, since it uses more digits than its factorization.

7013800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35106 (or 35076 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 7013800000 is about 83748.4328211579. The cubic root of 7013800000 is about 1914.1874266650.

Adding to 7013800000 its reverse (83107), we get a palindrome (7013883107).

The spelling of 7013800000 in words is "seven billion, thirteen million, eight hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 20000 25000 35069 40000 50000 70138 100000 140276 175345 200000 280552 350690 561104 701380 876725 1122208 1402760 1753450 2244416 2805520 3506900 4383625 5611040 7013800 8767250 11222080 14027600 17534500 21918125 28055200 35069000 43836250 56110400 70138000 87672500 109590625 140276000 175345000 219181250 280552000 350690000 438362500 701380000 876725000 1402760000 1753450000 3506900000 7013800000