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202110210030 = 235173332311719
BaseRepresentation
bin1011110000111010110…
…1010000111111101110
3201022200102000110110110
42330032231100333232
511302410203210110
6232503111120450
720413323303561
oct2741655207756
9638612013413
10202110210030
1178794a43233
1233206373126
131609c573371
149ad44684d8
1553cd856a20
hex2f0eb50fee

202110210030 has 64 divisors (see below), whose sum is σ = 488056803840. Its totient is φ = 53563821696.

The previous prime is 202110210013. The next prime is 202110210037. The reversal of 202110210030 is 30012011202.

It is a junction number, because it is equal to n+sod(n) for n = 202110209988 and 202110210015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110210037) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17240511 + ... + 17252229.

It is an arithmetic number, because the mean of its divisors is an integer number (7625887560).

Almost surely, 2202110210030 is an apocalyptic number.

202110210030 is an abundant number, since it is smaller than the sum of its proper divisors (285946593810).

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

202110210030 is a wasteful number, since it uses less digits than its factorization.

202110210030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15225.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 202110210030 its reverse (30012011202), we get a palindrome (232122221232).

The spelling of 202110210030 in words is "two hundred two billion, one hundred ten million, two hundred ten thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 173 346 519 865 1038 1730 2595 3323 5190 6646 9969 11719 16615 19938 23438 33230 35157 49845 58595 70314 99690 117190 175785 351570 574879 1149758 1724637 2027387 2874395 3449274 4054774 5748790 6082161 8623185 10136935 12164322 17246370 20273870 30410805 38942237 60821610 77884474 116826711 194711185 233653422 389422370 584133555 1168267110 6737007001 13474014002 20211021003 33685035005 40422042006 67370070010 101055105015 202110210030