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203212423133 = 1720441584789
BaseRepresentation
bin1011110101000001100…
…1110111111111011101
3201102112020000200120222
42331100121313333131
511312134340020013
6233204323251125
720452536045056
oct2752031677735
9642466020528
10203212423133
117920012a255
1233473519aa5
1316216a1a475
149b9a9c172d
1554454c8508
hex2f50677fdd

203212423133 has 8 divisors (see below), whose sum is σ = 215176989240. Its totient is φ = 191249067520.

The previous prime is 203212423097. The next prime is 203212423153. The reversal of 203212423133 is 331324212302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 120160676164 + 83051746969 = 346642^2 + 288187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203212423133 - 222 = 203208228829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203212423153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55103 + ... + 639891.

It is an arithmetic number, because the mean of its divisors is an integer number (26897123655).

Almost surely, 2203212423133 is an apocalyptic number.

It is an amenable number.

203212423133 is a deficient number, since it is larger than the sum of its proper divisors (11964566107).

203212423133 is a wasteful number, since it uses less digits than its factorization.

203212423133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605247.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203212423133 its reverse (331324212302), we get a palindrome (534536635435).

The spelling of 203212423133 in words is "two hundred three billion, two hundred twelve million, four hundred twenty-three thousand, one hundred thirty-three".

Divisors: 1 17 20441 347497 584789 9941413 11953671949 203212423133