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211431433201 = 6171783192191
BaseRepresentation
bin1100010011101001001…
…0111010001111110001
3202012202000112122211021
43010322102322033301
511431002421330301
6241044045215441
721163316346412
oct3047222721761
9665660478737
10211431433201
118173859415a
1234b87b61581
1316c26742531
14a33a3b9809
155776d358a1
hex313a4ba3f1

211431433201 has 8 divisors (see below), whose sum is σ = 211893986304. Its totient is φ = 210969269280.

The previous prime is 211431433181. The next prime is 211431433229. The reversal of 211431433201 is 102334134112.

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 211431433201 - 229 = 210894562289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211431433231) 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, 1004016 + ... + 1196206.

It is an arithmetic number, because the mean of its divisors is an integer number (26486748288).

Almost surely, 2211431433201 is an apocalyptic number.

It is an amenable number.

211431433201 is a deficient number, since it is larger than the sum of its proper divisors (462553103).

211431433201 is a wasteful number, since it uses less digits than its factorization.

211431433201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194591.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 211431433201 its reverse (102334134112), we get a palindrome (313765567313).

The spelling of 211431433201 in words is "two hundred eleven billion, four hundred thirty-one million, four hundred thirty-three thousand, two hundred one".

Divisors: 1 617 1783 192191 1100111 118581847 342676553 211431433201