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13103013203221 = 234216841197807
BaseRepresentation
bin1011111010101100100001…
…1100101000110100010101
31201101122011112000110021111
42332223020130220310111
53204134432340000341
643511235143015021
72521442611363054
oct276531034506425
951348145013244
1013103013203221
1141a1a583a3a97
12157755073a471
137407bb822c36
1433429132839b
1517ac8d1c2681
hexbeac8728d15

13103013203221 has 16 divisors (see below), whose sum is σ = 13707258859008. Its totient is φ = 12501655689600.

The previous prime is 13103013203219. The next prime is 13103013203227. The reversal of 13103013203221 is 12230231030131.

13103013203221 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 13103013203221 - 21 = 13103013203219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103013203192 and 13103013203201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13103013203227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66142500 + ... + 66340306.

It is an arithmetic number, because the mean of its divisors is an integer number (856703678688).

Almost surely, 213103013203221 is an apocalyptic number.

It is an amenable number.

13103013203221 is a deficient number, since it is larger than the sum of its proper divisors (604245655787).

13103013203221 is a wasteful number, since it uses less digits than its factorization.

13103013203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205092.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13103013203221 its reverse (12230231030131), we get a palindrome (25333244233352).

The spelling of 13103013203221 in words is "thirteen trillion, one hundred three billion, thirteen million, two hundred three thousand, two hundred twenty-one".

Divisors: 1 23 421 6841 9683 157343 197807 2880061 4549561 66241403 83276747 1353197687 1915365181 31123546801 569696226227 13103013203221