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220310043421 = 1329584376773
BaseRepresentation
bin1100110100101110000…
…0000111101100011101
3210001122210012210100211
43031023200013230131
512102143332342141
6245113052452421
721626326320406
oct3151340075435
9701583183324
10220310043421
1185484304456
123684547a111
1317a10000150
14a93d6329ad
155ae6534d81
hex334b807b1d

220310043421 has 8 divisors (see below), whose sum is σ = 245438245080. Its totient is φ = 196350595392.

The previous prime is 220310043419. The next prime is 220310043427. The reversal of 220310043421 is 124340013022.

220310043421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57606720196 + 162703323225 = 240014^2 + 403365^2 .

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 220310043421 - 21 = 220310043419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220310043392 and 220310043401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220310043427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292188010 + ... + 292188763.

It is an arithmetic number, because the mean of its divisors is an integer number (30679780635).

Almost surely, 2220310043421 is an apocalyptic number.

It is an amenable number.

220310043421 is a deficient number, since it is larger than the sum of its proper divisors (25128201659).

220310043421 is a wasteful number, since it uses less digits than its factorization.

220310043421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584376815.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220310043421 its reverse (124340013022), we get a palindrome (344650056443).

The spelling of 220310043421 in words is "two hundred twenty billion, three hundred ten million, forty-three thousand, four hundred twenty-one".

Divisors: 1 13 29 377 584376773 7596898049 16946926417 220310043421