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13103033321 = 747173230213
BaseRepresentation
bin11000011010000000…
…00110101111101001
31020211011200001121102
430031000012233221
5203313334031241
610004111251145
7642463642220
oct141500065751
936734601542
1013103033321
115614358964
122658219ab5
13130a838071
148c4309cb7
1551a50539b
hex30d006be9

13103033321 has 16 divisors (see below), whose sum is σ = 15381978624. Its totient is φ = 10928624064.

The previous prime is 13103033297. The next prime is 13103033347. The reversal of 13103033321 is 12333030131.

It is a cyclic number.

It is not a de Polignac number, because 13103033321 - 230 = 12029291497 is a prime.

It is a super-2 number, since 2×131030333212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13103033293 and 13103033302.

It is not an unprimeable number, because it can be changed into a prime (13103033381) 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, 58190 + ... + 172023.

It is an arithmetic number, because the mean of its divisors is an integer number (961373664).

Almost surely, 213103033321 is an apocalyptic number.

It is an amenable number.

13103033321 is a deficient number, since it is larger than the sum of its proper divisors (2278945303).

13103033321 is a wasteful number, since it uses less digits than its factorization.

13103033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230440.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13103033321 its reverse (12333030131), we get a palindrome (25436063452).

The spelling of 13103033321 in words is "thirteen billion, one hundred three million, thirty-three thousand, three hundred twenty-one".

Divisors: 1 7 47 173 329 1211 8131 56917 230213 1611491 10820011 39826849 75740077 278787943 1871861903 13103033321