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2230021123 = 11202729193
BaseRepresentation
bin1000010011101011…
…0110110000000011
312202102011210212221
42010322312300003
514031341133443
61005141031511
7106155603211
oct20472666003
95672153787
102230021123
11a44874970
125229b5597
13297013135
14172253cb1
15d0b9beed
hex84eb6c03

2230021123 has 4 divisors (see below), whose sum is σ = 2432750328. Its totient is φ = 2027291920.

The previous prime is 2230021111. The next prime is 2230021141. The reversal of 2230021123 is 3211200322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2230021123 is a prime.

It is a super-2 number, since 2×22300211232 = 9945988418052362258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2230021097 and 2230021106.

It is not an unprimeable number, because it can be changed into a prime (2230021193) 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, 101364586 + ... + 101364607.

It is an arithmetic number, because the mean of its divisors is an integer number (608187582).

Almost surely, 22230021123 is an apocalyptic number.

2230021123 is a deficient number, since it is larger than the sum of its proper divisors (202729205).

2230021123 is a wasteful number, since it uses less digits than its factorization.

2230021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202729204.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2230021123 is about 47223.0994641394. The cubic root of 2230021123 is about 1306.4806812273.

Adding to 2230021123 its reverse (3211200322), we get a palindrome (5441221445).

The spelling of 2230021123 in words is "two billion, two hundred thirty million, twenty-one thousand, one hundred twenty-three".

Divisors: 1 11 202729193 2230021123