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13123113132211 = 37409867185167
BaseRepresentation
bin1011111011110111011001…
…1111110010000010110011
31201110120001022120122022221
42332331312133302002303
53210002113430212321
643524401442141511
72523053656065115
oct276756637620263
951416038518287
1013123113132211
1141aa532276155
12157b420051897
13742672b17c44
1433523a9c33b5
1517b567acbe41
hexbef767f20b3

13123113132211 has 8 divisors (see below), whose sum is σ = 13510744917440. Its totient is φ = 12737215718208.

The previous prime is 13123113132197. The next prime is 13123113132247. The reversal of 13123113132211 is 11223131132131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13123113132211 - 211 = 13123113130163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13123113112211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433577451 + ... + 433607716.

It is an arithmetic number, because the mean of its divisors is an integer number (1688843114680).

Almost surely, 213123113132211 is an apocalyptic number.

13123113132211 is a deficient number, since it is larger than the sum of its proper divisors (387631785229).

13123113132211 is an equidigital number, since it uses as much as digits as its factorization.

13123113132211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867185613.

The product of its digits is 648, while the sum is 25.

Adding to 13123113132211 its reverse (11223131132131), we get a palindrome (24346244264342).

The spelling of 13123113132211 in words is "thirteen trillion, one hundred twenty-three billion, one hundred thirteen million, one hundred thirty-two thousand, two hundred eleven".

Divisors: 1 37 409 15133 867185167 32085851179 354678733303 13123113132211