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13403211423 = 37292099901
BaseRepresentation
bin11000111101110010…
…01100011010011111
31021121002111200112220
430132321030122133
5204422210231143
610053553200423
7653100263100
oct143671143237
937532450486
1013403211423
115758844138
122720860113
131357a98c44
149121283a7
15536a4bd83
hex31ee4c69f

13403211423 has 24 divisors (see below), whose sum is σ = 20793011760. Its totient is φ = 7657372800.

The previous prime is 13403211373. The next prime is 13403211427. The reversal of 13403211423 is 32411230431.

It is a happy number.

It is not a de Polignac number, because 13403211423 - 210 = 13403210399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13403211393 and 13403211402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403211427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348773 + ... + 1358673.

It is an arithmetic number, because the mean of its divisors is an integer number (866375490).

Almost surely, 213403211423 is an apocalyptic number.

13403211423 is a deficient number, since it is larger than the sum of its proper divisors (7389800337).

13403211423 is an equidigital number, since it uses as much as digits as its factorization.

13403211423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19127 (or 19120 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13403211423 its reverse (32411230431), we get a palindrome (45814441854).

The spelling of 13403211423 in words is "thirteen billion, four hundred three million, two hundred eleven thousand, four hundred twenty-three".

Divisors: 1 3 7 21 49 147 9209 9901 27627 29703 64463 69307 193389 207921 451241 485149 1353723 1455447 91178309 273534927 638248163 1914744489 4467737141 13403211423