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18132106450 = 2522975116651
BaseRepresentation
bin10000111000110000…
…011111110011010010
31201210122202110000011
4100320300133303102
5244113304401300
612155121545134
71211221235053
oct207060376322
951718673004
1018132106450
117765112a47
1236204a51aa
13192c705a93
14c401b872a
15711ca0eba
hex438c1fcd2

18132106450 has 48 divisors (see below), whose sum is σ = 34937228160. Its totient is φ = 6993000000.

The previous prime is 18132106439. The next prime is 18132106463. The reversal of 18132106450 is 5460123181.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1080625 + ... + 1097275.

It is an arithmetic number, because the mean of its divisors is an integer number (727858920).

Almost surely, 218132106450 is an apocalyptic number.

18132106450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18132106450 is a deficient number, since it is larger than the sum of its proper divisors (16805121710).

18132106450 is a wasteful number, since it uses less digits than its factorization.

18132106450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17443 (or 17438 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 18132106450 in words is "eighteen billion, one hundred thirty-two million, one hundred six thousand, four hundred fifty".

Divisors: 1 2 5 10 25 29 50 58 145 290 725 751 1450 1502 3755 7510 16651 18775 21779 33302 37550 43558 83255 108895 166510 217790 416275 482879 544475 832550 965758 1088950 2414395 4828790 12071975 12504901 24143950 25009802 62524505 125049010 312622525 362642129 625245050 725284258 1813210645 3626421290 9066053225 18132106450