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21411462430 = 2517791594301
BaseRepresentation
bin10011111100001110…
…001111110100011110
32001021012102222201001
4103330032033310132
5322322313244210
613500345540514
71355411266501
oct237416176436
961235388631
1021411462430
1190982376a6
1241967a473a
132032c3a7c7
14107193d138
15854b2703a
hex4fc38fd1e

21411462430 has 32 divisors (see below), whose sum is σ = 41324307840. Its totient is φ = 7958745600.

The previous prime is 21411462419. The next prime is 21411462433. The reversal of 21411462430 is 3426411412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21411462433) 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, 783721 + ... + 810580.

It is an arithmetic number, because the mean of its divisors is an integer number (1291384620).

Almost surely, 221411462430 is an apocalyptic number.

21411462430 is a deficient number, since it is larger than the sum of its proper divisors (19912845410).

21411462430 is a wasteful number, since it uses less digits than its factorization.

21411462430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594404.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 21411462430 its reverse (3426411412), we get a palindrome (24837873842).

The spelling of 21411462430 in words is "twenty-one billion, four hundred eleven million, four hundred sixty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 79 85 158 170 395 790 1343 2686 6715 13430 1594301 3188602 7971505 15943010 27103117 54206234 125949779 135515585 251899558 271031170 629748895 1259497790 2141146243 4282292486 10705731215 21411462430