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21024002341 = 194334774159
BaseRepresentation
bin10011100101001000…
…001101000100100101
32000021012100222101101
4103211020031010211
5321024121033331
613354105200101
71342665033316
oct234510150445
960235328341
1021024002341
118a09557151
1240a8a90031
131ca0899b94
1410362c060d
15830ade061
hex4e520d125

21024002341 has 16 divisors (see below), whose sum is σ = 22710758400. Its totient is φ = 19397953008.

The previous prime is 21024002297. The next prime is 21024002369. The reversal of 21024002341 is 14320042012.

It is a cyclic number.

It is not a de Polignac number, because 21024002341 - 211 = 21024000293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21024002381) 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, 246420 + ... + 320578.

It is an arithmetic number, because the mean of its divisors is an integer number (1419422400).

Almost surely, 221024002341 is an apocalyptic number.

It is an amenable number.

21024002341 is a deficient number, since it is larger than the sum of its proper divisors (1686756059).

21024002341 is a wasteful number, since it uses less digits than its factorization.

21024002341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74568.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 21024002341 its reverse (14320042012), we get a palindrome (35344044353).

The spelling of 21024002341 in words is "twenty-one billion, twenty-four million, two thousand, three hundred forty-one".

Divisors: 1 19 43 347 817 6593 14921 74159 283499 1409021 3188837 25733173 60587903 488930287 1106526439 21024002341