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21032034441 = 3113491826173
BaseRepresentation
bin10011100101100110…
…110110000010001001
32000021202111001100120
4103211212312002021
5321033200100231
613354553253453
71343123225445
oct234546660211
960252431316
1021032034441
118a13042850
1240ab704289
131ca244cac2
1410373b1825
15831678d96
hex4e59b6089

21032034441 has 16 divisors (see below), whose sum is σ = 30679723200. Its totient is φ = 12710157120.

The previous prime is 21032034407. The next prime is 21032034493. The reversal of 21032034441 is 14443023012.

It is not a de Polignac number, because 21032034441 - 221 = 21029937289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21032034241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901570 + ... + 924603.

It is an arithmetic number, because the mean of its divisors is an integer number (1917482700).

Almost surely, 221032034441 is an apocalyptic number.

It is an amenable number.

21032034441 is a deficient number, since it is larger than the sum of its proper divisors (9647688759).

21032034441 is a wasteful number, since it uses less digits than its factorization.

21032034441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826536.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21032034441 its reverse (14443023012), we get a palindrome (35475057453).

The spelling of 21032034441 in words is "twenty-one billion, thirty-two million, thirty-four thousand, four hundred forty-one".

Divisors: 1 3 11 33 349 1047 3839 11517 1826173 5478519 20087903 60263709 637334377 1912003131 7010678147 21032034441