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113122201 = 612118481
BaseRepresentation
bin1101011111000…
…01101110011001
321212212012111011
412233201232121
5212424402301
615120333521
72542344223
oct657415631
9255765434
10113122201
1158944425
1231a742a1
131a58951a
1411049413
159de7a51
hex6be1b99

113122201 has 4 divisors (see below), whose sum is σ = 113146804. Its totient is φ = 113097600.

The previous prime is 113122171. The next prime is 113122253. The reversal of 113122201 is 102221311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62726400 + 50395801 = 7920^2 + 7099^2 .

It is a cyclic number.

It is not a de Polignac number, because 113122201 - 25 = 113122169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113122291) 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, 3120 + ... + 15361.

It is an arithmetic number, because the mean of its divisors is an integer number (28286701).

Almost surely, 2113122201 is an apocalyptic number.

It is an amenable number.

113122201 is a deficient number, since it is larger than the sum of its proper divisors (24603).

113122201 is an equidigital number, since it uses as much as digits as its factorization.

113122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24602.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 113122201 is about 10635.8921111489. The cubic root of 113122201 is about 483.6330247070.

Adding to 113122201 its reverse (102221311), we get a palindrome (215343512).

It can be divided in two parts, 1131 and 22201, that added together give a palindrome (23332).

The spelling of 113122201 in words is "one hundred thirteen million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 6121 18481 113122201