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30404123511 = 366531523329
BaseRepresentation
bin11100010100001110…
…100001101101110111
32220110220201111121120
4130110032201231313
5444231423423021
621544545515023
72124304533336
oct342416415567
986426644546
1030404123511
1111992376003
125a86342a73
132b3701b538
141685da3d1d
15bce3542c6
hex7143a1b77

30404123511 has 8 divisors (see below), whose sum is σ = 40544951280. Its totient is φ = 20266355712.

The previous prime is 30404123507. The next prime is 30404123521. The reversal of 30404123511 is 11532140403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30404123511 - 22 = 30404123507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404123521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741706 + ... + 781623.

It is an arithmetic number, because the mean of its divisors is an integer number (5068118910).

Almost surely, 230404123511 is an apocalyptic number.

30404123511 is a deficient number, since it is larger than the sum of its proper divisors (10140827769).

30404123511 is a wasteful number, since it uses less digits than its factorization.

30404123511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529985.

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

Adding to 30404123511 its reverse (11532140403), we get a palindrome (41936263914).

The spelling of 30404123511 in words is "thirty billion, four hundred four million, one hundred twenty-three thousand, five hundred eleven".

Divisors: 1 3 6653 19959 1523329 4569987 10134707837 30404123511