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13351288321 = 715717370223
BaseRepresentation
bin11000110111100110…
…00111111000000001
31021110110210201110001
430123303013320001
5204320412211241
610044500240001
7651600035560
oct143363077001
937413721401
1013351288321
1157314aa588
1227073a0001
13134a0b9407
1490928dbd7
155321e2431
hex31bcc7e01

13351288321 has 16 divisors (see below), whose sum is σ = 15444785664. Its totient is φ = 11305180224.

The previous prime is 13351288243. The next prime is 13351288381. The reversal of 13351288321 is 12388215331.

13351288321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13351288321 - 219 = 13350764033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13351288381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155016 + ... + 225238.

It is an arithmetic number, because the mean of its divisors is an integer number (965299104).

Almost surely, 213351288321 is an apocalyptic number.

It is an amenable number.

13351288321 is a deficient number, since it is larger than the sum of its proper divisors (2093497343).

13351288321 is a wasteful number, since it uses less digits than its factorization.

13351288321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70560.

The product of its digits is 34560, while the sum is 37.

The spelling of 13351288321 in words is "thirteen billion, three hundred fifty-one million, two hundred eighty-eight thousand, three hundred twenty-one".

Divisors: 1 7 157 173 1099 1211 27161 70223 190127 491561 11025011 12148579 77175077 85040053 1907326903 13351288321