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210213130000 = 245429577109
BaseRepresentation
bin1100001111000110101…
…1011100111100010000
3202002121010002110000111
43003301223130330100
511421004030130000
6240323124531104
721121164060136
oct3036153347420
9662533073014
10210213130000
1181172916a05
12348a7b50a94
1316a91210073
14a262683756
155704dd1cba
hex30f1adcf10

210213130000 has 100 divisors (see below), whose sum is σ = 509190741180. Its totient is φ = 84044992000.

The previous prime is 210213129953. The next prime is 210213130079. The reversal of 210213130000 is 31312012.

210213130000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 206504807184 + 3708322816 = 454428^2 + 60896^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29566446 + ... + 29573554.

Almost surely, 2210213130000 is an apocalyptic number.

210213130000 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 210213130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254595370590).

210213130000 is an abundant number, since it is smaller than the sum of its proper divisors (298977611180).

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

210213130000 is an equidigital number, since it uses as much as digits as its factorization.

210213130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094 (or 10073 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 210213130000 its reverse (31312012), we get a palindrome (210244442012).

The spelling of 210213130000 in words is "two hundred ten billion, two hundred thirteen million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 2957 5000 5914 7109 10000 11828 14218 14785 23656 28436 29570 35545 47312 56872 59140 71090 73925 113744 118280 142180 147850 177725 236560 284360 295700 355450 369625 568720 591400 710900 739250 888625 1182800 1421800 1478500 1777250 1848125 2843600 2957000 3554500 3696250 4443125 5914000 7109000 7392500 8886250 14218000 14785000 17772500 21021313 29570000 35545000 42042626 71090000 84085252 105106565 168170504 210213130 336341008 420426260 525532825 840852520 1051065650 1681705040 2102131300 2627664125 4204262600 5255328250 8408525200 10510656500 13138320625 21021313000 26276641250 42042626000 52553282500 105106565000 210213130000