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13421025201 = 34473675067
BaseRepresentation
bin11000111111111010…
…01001011110110001
31021122100000201110110
430133331021132301
5204441240301301
610055431051533
7653404555233
oct143775113661
937570021413
1013421025201
115767900971
122726810ba9
13135b69523c
14914644253
155383ba0d6
hex31ff497b1

13421025201 has 4 divisors (see below), whose sum is σ = 17894700272. Its totient is φ = 8947350132.

The previous prime is 13421025199. The next prime is 13421025229. The reversal of 13421025201 is 10252012431.

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.

It is not a de Polignac number, because 13421025201 - 21 = 13421025199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13429025201) 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, 2236837531 + ... + 2236837536.

It is an arithmetic number, because the mean of its divisors is an integer number (4473675068).

Almost surely, 213421025201 is an apocalyptic number.

It is an amenable number.

13421025201 is a deficient number, since it is larger than the sum of its proper divisors (4473675071).

13421025201 is an equidigital number, since it uses as much as digits as its factorization.

13421025201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473675070.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 13421025201 its reverse (10252012431), we get a palindrome (23673037632).

The spelling of 13421025201 in words is "thirteen billion, four hundred twenty-one million, twenty-five thousand, two hundred one".

Divisors: 1 3 4473675067 13421025201