Search a number
-
+
18102408396 = 2234151017213
BaseRepresentation
bin10000110110111111…
…001101010011001100
31201201120212121221020
4100312333031103030
5244033204032041
612152141234140
71210410634602
oct206677152314
951646777836
1018102408396
11774a3793a6
123612562950
131926508377
14c3a287872
1570e386866
hex436fcd4cc

18102408396 has 48 divisors (see below), whose sum is σ = 43283653728. Its totient is φ = 5884992000.

The previous prime is 18102408371. The next prime is 18102408413. The reversal of 18102408396 is 69380420181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506086 + ... + 2513298.

It is an arithmetic number, because the mean of its divisors is an integer number (901742786).

Almost surely, 218102408396 is an apocalyptic number.

It is an amenable number.

18102408396 is an abundant number, since it is smaller than the sum of its proper divisors (25181245332).

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

18102408396 is a wasteful number, since it uses less digits than its factorization.

18102408396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12362 (or 12360 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 18102408396 in words is "eighteen billion, one hundred two million, four hundred eight thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 5101 7213 10202 14426 15303 20404 21639 28852 30606 43278 61212 86556 209141 295733 418282 591466 627423 836564 887199 1182932 1254846 1774398 2509692 3548796 36793513 73587026 110380539 147174052 220761078 441522156 1508534033 3017068066 4525602099 6034136132 9051204198 18102408396