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3230220121 = 12473258977
BaseRepresentation
bin1100000010001001…
…0011111101011001
322100010020011222021
43000202103331121
523103414020441
61252310454441
7143022263242
oct30042237531
98303204867
103230220121
111408414207
12761964421
133c62bca6b
14229013cc9
1513d8bc3d1
hexc0893f59

3230220121 has 4 divisors (see below), whose sum is σ = 3230491572. Its totient is φ = 3229948672.

The previous prime is 3230220107. The next prime is 3230220127. The reversal of 3230220121 is 1210220323.

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 1845561600 + 1384658521 = 42960^2 + 37211^2 .

It is a cyclic number.

It is not a de Polignac number, because 3230220121 - 29 = 3230219609 is a prime.

It is a super-2 number, since 2×32302201212 = 20868644060226509282, 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 = 3230220095 and 3230220104.

It is not an unprimeable number, because it can be changed into a prime (3230220127) 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, 117016 + ... + 141961.

It is an arithmetic number, because the mean of its divisors is an integer number (807622893).

Almost surely, 23230220121 is an apocalyptic number.

It is an amenable number.

3230220121 is a deficient number, since it is larger than the sum of its proper divisors (271451).

3230220121 is a wasteful number, since it uses less digits than its factorization.

3230220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271450.

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

The square root of 3230220121 is about 56835.0254772530. The cubic root of 3230220121 is about 1478.2369011234.

Adding to 3230220121 its reverse (1210220323), we get a palindrome (4440440444).

The spelling of 3230220121 in words is "three billion, two hundred thirty million, two hundred twenty thousand, one hundred twenty-one".

Divisors: 1 12473 258977 3230220121