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30100412286 = 2327238892161
BaseRepresentation
bin11100000010000111…
…111101011101111110
32212200202020101010200
4130002013331131332
5443121201143121
621454500144330
72113626166020
oct340207753576
985622211120
1030100412286
111184699729a
125a006980a6
132ab9121459
141657906010
15bb2860a26
hex7021fd77e

30100412286 has 24 divisors (see below), whose sum is σ = 74534354544. Its totient is φ = 8600117760.

The previous prime is 30100412267. The next prime is 30100412291. The reversal of 30100412286 is 68221400103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119445955 + ... + 119446206.

It is an arithmetic number, because the mean of its divisors is an integer number (3105598106).

Almost surely, 230100412286 is an apocalyptic number.

30100412286 is an abundant number, since it is smaller than the sum of its proper divisors (44433942258).

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

30100412286 is a wasteful number, since it uses less digits than its factorization.

30100412286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238892176 (or 238892173 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 30100412286 its reverse (68221400103), we get a palindrome (98321812389).

The spelling of 30100412286 in words is "thirty billion, one hundred million, four hundred twelve thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 238892161 477784322 716676483 1433352966 1672245127 2150029449 3344490254 4300058898 5016735381 10033470762 15050206143 30100412286