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30000100236 = 22319131579387
BaseRepresentation
bin11011111100001001…
…010011001110001100
32212102202110222212120
4123330021103032030
5442420011201421
621440514132540
72111300434041
oct337411231614
985382428776
1030000100236
11117a5302377
125992b81150
132aa13cb902
1416484731c8
15ba8b488c6
hex6fc25338c

30000100236 has 24 divisors (see below), whose sum is σ = 73684457280. Its totient is φ = 9473715792.

The previous prime is 30000100219. The next prime is 30000100241. The reversal of 30000100236 is 63200100003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65789466 + ... + 65789921.

It is an arithmetic number, because the mean of its divisors is an integer number (3070185720).

Almost surely, 230000100236 is an apocalyptic number.

It is an amenable number.

30000100236 is an abundant number, since it is smaller than the sum of its proper divisors (43684357044).

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

30000100236 is a wasteful number, since it uses less digits than its factorization.

30000100236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131579413 (or 131579411 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30000100236 its reverse (63200100003), we get a palindrome (93200200239).

The spelling of 30000100236 in words is "thirty billion, one hundred thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 131579387 263158774 394738161 526317548 789476322 1578952644 2500008353 5000016706 7500025059 10000033412 15000050118 30000100236