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30200023305 = 3253581187409
BaseRepresentation
bin11100001000000011…
…111100100100001001
32212221200200010202200
4130020003330210021
5443322201221210
621512415150413
72116245651114
oct341003744411
985850603680
1030200023305
1111898142551
125a29b15409
132b03959b9a
141666c3557b
15bbb48a0c0
hex7080fc909

30200023305 has 24 divisors (see below), whose sum is σ = 52361604360. Its totient is φ = 16102095360.

The previous prime is 30200023291. The next prime is 30200023369. The reversal of 30200023305 is 50332000203.

It can be written as a sum of positive squares in 4 ways, for example, as 15194753289 + 15005270016 = 123267^2 + 122496^2 .

It is not a de Polignac number, because 30200023305 - 212 = 30200019209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67441 + ... + 254849.

It is an arithmetic number, because the mean of its divisors is an integer number (2181733515).

Almost surely, 230200023305 is an apocalyptic number.

It is an amenable number.

30200023305 is a deficient number, since it is larger than the sum of its proper divisors (22161581055).

30200023305 is a wasteful number, since it uses less digits than its factorization.

30200023305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191001 (or 190998 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

Adding to 30200023305 its reverse (50332000203), we get a palindrome (80532023508).

The spelling of 30200023305 in words is "thirty billion, two hundred million, twenty-three thousand, three hundred five".

Divisors: 1 3 5 9 15 45 3581 10743 17905 32229 53715 161145 187409 562227 937045 1686681 2811135 8433405 671111629 2013334887 3355558145 6040004661 10066674435 30200023305