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230000203210021 = 1922375411387507
BaseRepresentation
bin110100010010111100011000…
…011010010001110100100101
31010011100210201121200221210121
4310102330120122101310211
5220121310404010210041
62133100345032121541
766305652306201046
oct6422743032216445
91104323647627717
10230000203210021
11673155a168a072
12219676b68362b1
139b44c0683a53a
1440b20d7d8a8cd
151b8cc76b087d1
hexd12f18691d25

230000203210021 has 8 divisors (see below), whose sum is σ = 242213704858080. Its totient is φ = 217797524341488.

The previous prime is 230000203210009. The next prime is 230000203210049. The reversal of 230000203210021 is 120012302000032.

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 230000203210021 - 25 = 230000203209989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230000203209977 and 230000203210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230000203210061) 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, 2705651251 + ... + 2705736256.

It is an arithmetic number, because the mean of its divisors is an integer number (30276713107260).

Almost surely, 2230000203210021 is an apocalyptic number.

It is an amenable number.

230000203210021 is a deficient number, since it is larger than the sum of its proper divisors (12213501648059).

230000203210021 is a wasteful number, since it uses less digits than its factorization.

230000203210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411389763.

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

Adding to 230000203210021 its reverse (120012302000032), we get a palindrome (350012505210053).

The spelling of 230000203210021 in words is "two hundred thirty trillion, two hundred three million, two hundred ten thousand, twenty-one".

Divisors: 1 19 2237 42503 5411387507 102816362633 12105273853159 230000203210021