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14302120403221 = 72308699455441
BaseRepresentation
bin1101000000011111100011…
…0011100110000100010101
31212122021021100202121220021
43100013320303212010111
53333311220310400341
650230145311505141
73004202606405500
oct320077063460425
955567240677807
1014302120403221
11461454a126242
12172ba1b2281b1
137c98b8165501
1437632504c137
1519c06e8049d1
hexd01f8ce6115

14302120403221 has 12 divisors (see below), whose sum is σ = 16637701188780. Its totient is φ = 12258561920640.

The previous prime is 14302120403201. The next prime is 14302120403327. The reversal of 14302120403221 is 12230402120341.

It can be written as a sum of positive squares in 2 ways, for example, as 2912244640900 + 11389875762321 = 1706530^2 + 3374889^2 .

It is not a de Polignac number, because 14302120403221 - 27 = 14302120403093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14302120403201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3215140 + ... + 6240301.

It is an arithmetic number, because the mean of its divisors is an integer number (1386475099065).

Almost surely, 214302120403221 is an apocalyptic number.

It is an amenable number.

14302120403221 is a deficient number, since it is larger than the sum of its proper divisors (2335580785559).

14302120403221 is an equidigital number, since it uses as much as digits as its factorization.

14302120403221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9486324 (or 9486317 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 14302120403221 its reverse (12230402120341), we get a palindrome (26532522523562).

The spelling of 14302120403221 in words is "fourteen trillion, three hundred two billion, one hundred twenty million, four hundred three thousand, two hundred twenty-one".

Divisors: 1 7 49 30869 216083 1512581 9455441 66188087 463316609 291880008229 2043160057603 14302120403221