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30100102218 = 232113103914243
BaseRepresentation
bin11100000010000110…
…110001110001001010
32212200201122121210200
4130002012301301022
5443121111232333
621454445353030
72113623435024
oct340206616112
985621577720
1030100102218
11118467a533a
125a00568776
132ab9043294
141657865014
15bb27edc13
hex7021b1c4a

30100102218 has 48 divisors (see below), whose sum is σ = 65861976960. Its totient is φ = 9934307712.

The previous prime is 30100102217. The next prime is 30100102261. The reversal of 30100102218 is 81220100103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 30100102218.

It is not an unprimeable number, because it can be changed into a prime (30100102217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2106205 + ... + 2120447.

It is an arithmetic number, because the mean of its divisors is an integer number (1372124520).

Almost surely, 230100102218 is an apocalyptic number.

30100102218 is an abundant number, since it is smaller than the sum of its proper divisors (35761874742).

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

30100102218 is a wasteful number, since it uses less digits than its factorization.

30100102218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15403 (or 15400 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The spelling of 30100102218 in words is "thirty billion, one hundred million, one hundred two thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 113 226 339 678 1017 1039 2034 2078 3117 6234 9351 14243 18702 28486 42729 85458 117407 128187 234814 256374 352221 704442 1056663 1609459 2113326 3218918 4828377 9656754 14485131 14798477 28970262 29596954 44395431 88790862 133186293 266372586 1672227901 3344455802 5016683703 10033367406 15050051109 30100102218