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30421015341 = 329997350719
BaseRepresentation
bin11100010101001110…
…111101101100101101
32220112002111200211220
4130111032331230231
5444300234442331
621550351533553
72124601235553
oct342516755455
986462450756
1030421015341
11119a09630a2
125a8bb2a2b9
132b3a683cc2
14168831dbd3
15bd0a8e296
hex7153bdb2d

30421015341 has 16 divisors (see below), whose sum is σ = 42002227200. Its totient is φ = 19561647168.

The previous prime is 30421015291. The next prime is 30421015357. The reversal of 30421015341 is 14351012403.

It is a happy number.

It is not a de Polignac number, because 30421015341 - 26 = 30421015277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421015441) 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, 88621 + ... + 262098.

It is an arithmetic number, because the mean of its divisors is an integer number (2625139200).

Almost surely, 230421015341 is an apocalyptic number.

It is an amenable number.

30421015341 is a deficient number, since it is larger than the sum of its proper divisors (11581211859).

30421015341 is a wasteful number, since it uses less digits than its factorization.

30421015341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351748.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 30421015341 its reverse (14351012403), we get a palindrome (44772027744).

The spelling of 30421015341 in words is "thirty billion, four hundred twenty-one million, fifteen thousand, three hundred forty-one".

Divisors: 1 3 29 87 997 2991 28913 86739 350719 1052157 10170851 30512553 349666843 1049000529 10140338447 30421015341