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13021666301 = 75379444289
BaseRepresentation
bin11000010000010011…
…01101101111111101
31020121111120012001002
430020021231233331
5203132021310201
65552043300045
7640455223460
oct141011555775
936544505032
1013021666301
115582433696
122634b1a625
1312c6a196b7
148b75a92d7
155132d176b
hex30826dbfd

13021666301 has 16 divisors (see below), whose sum is σ = 15354662400. Its totient is φ = 10812192768.

The previous prime is 13021666267. The next prime is 13021666303. The reversal of 13021666301 is 10366612031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13021666301 - 26 = 13021666237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021666303) 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 15 ways as a sum of consecutive naturals, for example, 192836 + ... + 251453.

It is an arithmetic number, because the mean of its divisors is an integer number (959666400).

Almost surely, 213021666301 is an apocalyptic number.

It is an amenable number.

13021666301 is a deficient number, since it is larger than the sum of its proper divisors (2332996099).

13021666301 is an equidigital number, since it uses as much as digits as its factorization.

13021666301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444428.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 13021666301 in words is "thirteen billion, twenty-one million, six hundred sixty-six thousand, three hundred one".

Divisors: 1 7 53 79 371 553 4187 29309 444289 3110023 23547317 35098831 164831219 245691817 1860238043 13021666301