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212031203030 = 2543493095821
BaseRepresentation
bin1100010101111000001…
…0110110011011010110
3202021021211010010100122
43011132002312123112
511433214441444110
6241223352311542
721214221326453
oct3053602663326
9667254103318
10212031203030
1181a160a50a9
12351149a25b2
1316cc0a8a41a
14a395d0282a
1557ae80a255
hex315e0b66d6

212031203030 has 16 divisors (see below), whose sum is σ = 390531891024. Its totient is φ = 82840097760.

The previous prime is 212031203017. The next prime is 212031203107. The reversal of 212031203030 is 30302130212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246547481 + ... + 246548340.

It is an arithmetic number, because the mean of its divisors is an integer number (24408243189).

Almost surely, 2212031203030 is an apocalyptic number.

212031203030 is a deficient number, since it is larger than the sum of its proper divisors (178500687994).

212031203030 is a wasteful number, since it uses less digits than its factorization.

212031203030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493095871.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212031203030 its reverse (30302130212), we get a palindrome (242333333242).

The spelling of 212031203030 in words is "two hundred twelve billion, thirty-one million, two hundred three thousand, thirty".

Divisors: 1 2 5 10 43 86 215 430 493095821 986191642 2465479105 4930958210 21203120303 42406240606 106015601515 212031203030