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21410424030 = 2351823391487
BaseRepresentation
bin10011111100001010…
…010010010011011110
32001021010111020021210
4103330022102103132
5322322032032110
613500311405250
71355366413212
oct237412222336
961233436253
1021410424030
119097698516
124196383826
132032965c78
14107174c942
158549be520
hex4fc2924de

21410424030 has 32 divisors (see below), whose sum is σ = 51413336064. Its totient is φ = 5706299936.

The previous prime is 21410424017. The next prime is 21410424031. The reversal of 21410424030 is 3042401412.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21410423988 and 21410424006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410424031) 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, 141054 + ... + 250433.

It is an arithmetic number, because the mean of its divisors is an integer number (1606666752).

Almost surely, 221410424030 is an apocalyptic number.

21410424030 is an abundant number, since it is smaller than the sum of its proper divisors (30002912034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21410424030 is a wasteful number, since it uses less digits than its factorization.

21410424030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393320.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21410424030 its reverse (3042401412), we get a palindrome (24452825442).

The spelling of 21410424030 in words is "twenty-one billion, four hundred ten million, four hundred twenty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 1823 3646 5469 9115 10938 18230 27345 54690 391487 782974 1174461 1957435 2348922 3914870 5872305 11744610 713680801 1427361602 2141042403 3568404005 4282084806 7136808010 10705212015 21410424030