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30404301420 = 2235506738357
BaseRepresentation
bin11100010100001111…
…001101001001101100
32220110221001112122210
4130110033031021230
5444232000121140
621544553410420
72124306204123
oct342417151154
986427045583
1030404301420
1111992487739
125a86409a10
132b370814cc
14168600caba
15bce38bd80
hex7143cd26c

30404301420 has 24 divisors (see below), whose sum is σ = 85132044144. Its totient is φ = 8107813696.

The previous prime is 30404301413. The next prime is 30404301451. The reversal of 30404301420 is 2410340403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253369119 + ... + 253369238.

It is an arithmetic number, because the mean of its divisors is an integer number (3547168506).

Almost surely, 230404301420 is an apocalyptic number.

30404301420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30404301420 is an abundant number, since it is smaller than the sum of its proper divisors (54727742724).

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

30404301420 is a wasteful number, since it uses less digits than its factorization.

30404301420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506738369 (or 506738367 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30404301420 its reverse (2410340403), we get a palindrome (32814641823).

The spelling of 30404301420 in words is "thirty billion, four hundred four million, three hundred one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 506738357 1013476714 1520215071 2026953428 2533691785 3040430142 5067383570 6080860284 7601075355 10134767140 15202150710 30404301420