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13420120101 = 34473373367
BaseRepresentation
bin11000111111110011…
…01100100000100101
31021122021022201220020
430133321230200211
5204441022320401
610055355425353
7653364065403
oct143771544045
937567281806
1013420120101
115767342953
122726455259
13135b43928b
1491448a473
1553828bd36
hex31fe6c825

13420120101 has 4 divisors (see below), whose sum is σ = 17893493472. Its totient is φ = 8946746732.

The previous prime is 13420120073. The next prime is 13420120121. The reversal of 13420120101 is 10102102431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10102102431 = 33367367477.

It is a cyclic number.

It is not a de Polignac number, because 13420120101 - 26 = 13420120037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420120121) 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, 2236686681 + ... + 2236686686.

It is an arithmetic number, because the mean of its divisors is an integer number (4473373368).

Almost surely, 213420120101 is an apocalyptic number.

It is an amenable number.

13420120101 is a deficient number, since it is larger than the sum of its proper divisors (4473373371).

13420120101 is an equidigital number, since it uses as much as digits as its factorization.

13420120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473373370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 13420120101 its reverse (10102102431), we get a palindrome (23522222532).

The spelling of 13420120101 in words is "thirteen billion, four hundred twenty million, one hundred twenty thousand, one hundred one".

Divisors: 1 3 4473373367 13420120101