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221301342303109 = 641938933676993
BaseRepresentation
bin110010010100010110111011…
…111001010111001110000101
31002000120012110001020002011021
4302110112323321113032011
5213001300122112144414
62102400233321311141
764420331364401215
oct6224267371271605
91060505401202137
10221301342303109
1164571410463792
12209a18239354b1
13966381c796c33
143c91083800245
151a8b850ae4c24
hexc945bbe57385

221301342303109 has 8 divisors (see below), whose sum is σ = 221649007116312. Its totient is φ = 220953685032960.

The previous prime is 221301342303103. The next prime is 221301342303113. The reversal of 221301342303109 is 901303243103122.

It can be written as a sum of positive squares in 4 ways, for example, as 83593534702500 + 137707807600609 = 9142950^2 + 11734897^2 .

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 221301342303109 - 219 = 221301341778821 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 (221301342303103) 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, 58346917 + ... + 62023909.

It is an arithmetic number, because the mean of its divisors is an integer number (27706125889539).

Almost surely, 2221301342303109 is an apocalyptic number.

It is an amenable number.

221301342303109 is a deficient number, since it is larger than the sum of its proper divisors (347664813203).

221301342303109 is an equidigital number, since it uses as much as digits as its factorization.

221301342303109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771527.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 221301342303109 in words is "two hundred twenty-one trillion, three hundred one billion, three hundred forty-two million, three hundred three thousand, one hundred nine".

Divisors: 1 641 93893 3676993 60185413 2356952513 345243903749 221301342303109