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30311044004 = 2228131186711
BaseRepresentation
bin11100001110101011…
…011101001110100100
32220020102120120112102
4130032223131032210
5444034111402004
621531422511232
72122064423453
oct341653351644
986212516472
1030311044004
1111944880a9a
125a5b135518
132b2095b9c7
141677894b9a
15bc60ba11e
hex70eadd3a4

30311044004 has 24 divisors (see below), whose sum is σ = 53404880256. Its totient is φ = 15052856000.

The previous prime is 30311043989. The next prime is 30311044039. The reversal of 30311044004 is 40044011303.

It is a happy number.

It is a super-2 number, since 2×303110440042 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 306209 + ... + 392919.

It is an arithmetic number, because the mean of its divisors is an integer number (2225203344).

Almost surely, 230311044004 is an apocalyptic number.

It is an amenable number.

30311044004 is a deficient number, since it is larger than the sum of its proper divisors (23093836252).

30311044004 is a wasteful number, since it uses less digits than its factorization.

30311044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87307 (or 87305 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30311044004 its reverse (40044011303), we get a palindrome (70355055307).

The spelling of 30311044004 in words is "thirty billion, three hundred eleven million, forty-four thousand, four".

Divisors: 1 2 4 281 311 562 622 1124 1244 86711 87391 173422 174782 346844 349564 24365791 26967121 48731582 53934242 97463164 107868484 7577761001 15155522002 30311044004