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230111120201 = 367762581213
BaseRepresentation
bin1101011001001110110…
…0010000101101001001
3210222221211200002010112
43112103230100231021
512232231421321301
6253413411524105
722424240151314
oct3262354205511
9728854602115
10230111120201
1189653801506
123871b8b9635
131891271c471
14b1cd1b397b
155ebbbec9bb
hex3593b10b49

230111120201 has 4 divisors (see below), whose sum is σ = 230173705092. Its totient is φ = 230048535312.

The previous prime is 230111120111. The next prime is 230111120237. The reversal of 230111120201 is 102021111032.

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 158960892601 + 71150227600 = 398699^2 + 266740^2 .

It is a cyclic number.

It is not a de Polignac number, because 230111120201 - 222 = 230106925897 is a prime.

It is a super-2 number, since 2×2301111202012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230111120251) 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, 31286930 + ... + 31294283.

It is an arithmetic number, because the mean of its divisors is an integer number (57543426273).

Almost surely, 2230111120201 is an apocalyptic number.

It is an amenable number.

230111120201 is a deficient number, since it is larger than the sum of its proper divisors (62584891).

230111120201 is an equidigital number, since it uses as much as digits as its factorization.

230111120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62584890.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 230111120201 its reverse (102021111032), we get a palindrome (332132231233).

The spelling of 230111120201 in words is "two hundred thirty billion, one hundred eleven million, one hundred twenty thousand, two hundred one".

Divisors: 1 3677 62581213 230111120201