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30338552293 = 723389484417
BaseRepresentation
bin11100010000010100…
…011001000111100101
32220022100100010210221
4130100110121013211
5444113132133133
621534244244341
72122550303530
oct342024310745
986270303727
1030338552293
111195935a415
125a683a06b1
132b265707ba
14167b3b5a17
15bc8700a2d
hex7105191e5

30338552293 has 16 divisors (see below), whose sum is σ = 36273219840. Its totient is φ = 24809849856.

The previous prime is 30338552281. The next prime is 30338552303. The reversal of 30338552293 is 39225583303.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30338552293 is a prime.

It is a super-3 number, since 3×303385522933 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30338552243) 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, 179580 + ... + 304837.

It is an arithmetic number, because the mean of its divisors is an integer number (2267076240).

Almost surely, 230338552293 is an apocalyptic number.

It is an amenable number.

30338552293 is a deficient number, since it is larger than the sum of its proper divisors (5934667547).

30338552293 is a wasteful number, since it uses less digits than its factorization.

30338552293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484836.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 30338552293 in words is "thirty billion, three hundred thirty-eight million, five hundred fifty-two thousand, two hundred ninety-three".

Divisors: 1 7 23 161 389 2723 8947 62629 484417 3390919 11141591 77991137 188438213 1319067491 4334078899 30338552293