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2230120001 = 10720842243
BaseRepresentation
bin1000010011101100…
…1110111001000001
312202102100211112002
42010323032321001
514031402320001
61005143113345
7106156464404
oct20473167101
95672324462
102230120001
11a4493218a
12522a42855
13297049145
1417227bd3b
15d0bbb46b
hex84ecee41

2230120001 has 4 divisors (see below), whose sum is σ = 2250962352. Its totient is φ = 2209277652.

The previous prime is 2230119973. The next prime is 2230120007. The reversal of 2230120001 is 1000210322.

It is a happy number.

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: 1000210322 = 2500105161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2230120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2230120007) 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, 10421015 + ... + 10421228.

It is an arithmetic number, because the mean of its divisors is an integer number (562740588).

Almost surely, 22230120001 is an apocalyptic number.

It is an amenable number.

2230120001 is a deficient number, since it is larger than the sum of its proper divisors (20842351).

2230120001 is a wasteful number, since it uses less digits than its factorization.

2230120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20842350.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2230120001 is about 47224.1463766154. The cubic root of 2230120001 is about 1306.4999905045.

Adding to 2230120001 its reverse (1000210322), we get a palindrome (3230330323).

The spelling of 2230120001 in words is "two billion, two hundred thirty million, one hundred twenty thousand, one".

Divisors: 1 107 20842243 2230120001