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203141432130021 = 327111312237659387
BaseRepresentation
bin101110001100000110001100…
…111001101011100111100101
3222122021010112200101221211100
4232030012030321223213211
5203111232123111130041
62000013515142230313
760534325026663240
oct5614061471534745
9878233480357740
10203141432130021
11597aa8856076a0
121a94a206725399
13894720229bb88
143824152422257
1518742950e46b6
hexb8c18ce6b9e5

203141432130021 has 48 divisors (see below), whose sum is σ = 368623056941568. Its totient is φ = 104722459264800.

The previous prime is 203141432129953. The next prime is 203141432130059. The reversal of 203141432130021 is 120031234141302.

203141432130021 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 4 + 14 + 321 + 300 + 21 = 666.

It is not a de Polignac number, because 203141432130021 - 225 = 203141398575589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203141432130121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1118738911 + ... + 1118920476.

It is an arithmetic number, because the mean of its divisors is an integer number (7679647019616).

Almost surely, 2203141432130021 is an apocalyptic number.

203141432130021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

203141432130021 is a deficient number, since it is larger than the sum of its proper divisors (165481624811547).

203141432130021 is a wasteful number, since it uses less digits than its factorization.

203141432130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237659542 (or 2237659539 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 203141432130021 its reverse (120031234141302), we get a palindrome (323172666271323).

The spelling of 203141432130021 in words is "two hundred three trillion, one hundred forty-one billion, four hundred thirty-two million, one hundred thirty thousand, twenty-one".

Divisors: 1 3 7 9 11 21 33 63 77 99 131 231 393 693 917 1179 1441 2751 4323 8253 10087 12969 30261 90783 2237659387 6712978161 15663615709 20138934483 24614253257 46990847127 73842759771 140972541381 172299772799 221528279313 293133379697 516899318397 879400139091 1550697955191 2051933657879 2638200417273 3224467176667 6155800973637 9673401530001 18467402920911 22571270236669 29020204590003 67713810710007 203141432130021