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2030021300 = 225256935677
BaseRepresentation
bin111100011111111…
…1010101010110100
312020110211202201002
41320333322222310
513124141140200
6533234222432
7101206616306
oct17077725264
95213752632
102030021300
1195199205a
12487a24a18
13264758c48
14153871976
15bd342bd5
hex78ffaab4

2030021300 has 36 divisors (see below), whose sum is σ = 4413011820. Its totient is φ = 810558720.

The previous prime is 2030021299. The next prime is 2030021309. The reversal of 2030021300 is 31200302.

It can be written as a sum of positive squares in 6 ways, for example, as 99121936 + 1930899364 = 9956^2 + 43942^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030021309) 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, 39062 + ... + 74738.

Almost surely, 22030021300 is an apocalyptic number.

2030021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2030021300 is an abundant number, since it is smaller than the sum of its proper divisors (2382990520).

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

2030021300 is a wasteful number, since it uses less digits than its factorization.

2030021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36260 (or 36253 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 2030021300 is about 45055.7576786808. The cubic root of 2030021300 is about 1266.1938455341.

Adding to 2030021300 its reverse (31200302), we get a palindrome (2061221602).

The spelling of 2030021300 in words is "two billion, thirty million, twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 569 1138 2276 2845 5690 11380 14225 28450 35677 56900 71354 142708 178385 356770 713540 891925 1783850 3567700 20300213 40600426 81200852 101501065 203002130 406004260 507505325 1015010650 2030021300