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212203030030 = 25173552722193
BaseRepresentation
bin1100010110100001001…
…0010100011000001110
3202021201210102211200121
43011220102110120032
511434042433430110
6241252411215154
721221405665015
oct3055022243016
9667653384617
10212203030030
1181aa4095292
12351624474ba
131701a55c1c4
14a3b0a6da7c
1557be94bcda
hex316849460e

212203030030 has 32 divisors (see below), whose sum is σ = 384260169024. Its totient is φ = 84371498496.

The previous prime is 212203029979. The next prime is 212203030033. The reversal of 212203030030 is 30030302212.

It is a junction number, because it is equal to n+sod(n) for n = 212203029986 and 212203030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203030033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9550614 + ... + 9572806.

It is an arithmetic number, because the mean of its divisors is an integer number (12008130282).

Almost surely, 2212203030030 is an apocalyptic number.

212203030030 is a deficient number, since it is larger than the sum of its proper divisors (172057138994).

212203030030 is a wasteful number, since it uses less digits than its factorization.

212203030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27900.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 212203030030 its reverse (30030302212), we get a palindrome (242233332242).

The spelling of 212203030030 in words is "two hundred twelve billion, two hundred three million, thirty thousand, thirty".

Divisors: 1 2 5 10 173 346 865 1730 5527 11054 22193 27635 44386 55270 110965 221930 956171 1912342 3839389 4780855 7678778 9561710 19196945 38393890 122660711 245321422 613303555 1226607110 21220303003 42440606006 106101515015 212203030030