Search a number
-
+
20230203121 = 832131114377
BaseRepresentation
bin10010110101110100…
…000110011011110001
31221012212200210120021
4102311310012123301
5312412412444441
613143231243441
71314215614012
oct226564063361
957185623507
1020230203121
118641471037
123b07079581
131ba52a84bb
14d9cacb009
157d608e3d1
hex4b5d066f1

20230203121 has 8 divisors (see below), whose sum is σ = 20483727264. Its totient is φ = 19976912160.

The previous prime is 20230203083. The next prime is 20230203131. The reversal of 20230203121 is 12130203202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20230203121 - 29 = 20230202609 is a prime.

It is a super-2 number, since 2×202302031212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20230203095 and 20230203104.

It is not an unprimeable number, because it can be changed into a prime (20230203131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119685 + ... + 234061.

It is an arithmetic number, because the mean of its divisors is an integer number (2560465908).

Almost surely, 220230203121 is an apocalyptic number.

It is an amenable number.

20230203121 is a deficient number, since it is larger than the sum of its proper divisors (253524143).

20230203121 is a wasteful number, since it uses less digits than its factorization.

20230203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116591.

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

Adding to 20230203121 its reverse (12130203202), we get a palindrome (32360406323).

The spelling of 20230203121 in words is "twenty billion, two hundred thirty million, two hundred three thousand, one hundred twenty-one".

Divisors: 1 83 2131 114377 176873 9493291 243737387 20230203121