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13133021303 = 14423910561
BaseRepresentation
bin11000011101100101…
…00000000001110111
31020220021002121101102
430032302200001313
5203344023140203
610011102120315
7643306560563
oct141662400167
936807077342
1013133021303
11562a280316
12266628009b
131313b0772c
148c82b46a3
1551ce7a888
hex30eca0077

13133021303 has 4 divisors (see below), whose sum is σ = 13133946288. Its totient is φ = 13132096320.

The previous prime is 13133021267. The next prime is 13133021323. The reversal of 13133021303 is 30312033131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30312033131 = 261531159027.

It is a cyclic number.

It is not a de Polignac number, because 13133021303 - 210 = 13133020279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13133021323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440858 + ... + 469703.

It is an arithmetic number, because the mean of its divisors is an integer number (3283486572).

Almost surely, 213133021303 is an apocalyptic number.

13133021303 is a deficient number, since it is larger than the sum of its proper divisors (924985).

13133021303 is an equidigital number, since it uses as much as digits as its factorization.

13133021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924984.

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

Adding to 13133021303 its reverse (30312033131), we get a palindrome (43445054434).

The spelling of 13133021303 in words is "thirteen billion, one hundred thirty-three million, twenty-one thousand, three hundred three".

Divisors: 1 14423 910561 13133021303