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2987318106 = 232363145707
BaseRepresentation
bin1011001000001110…
…1101101101011010
321201012011111001100
42302003231231122
522104223134411
61212232332230
7134012533143
oct26203555532
97635144040
102987318106
1112a3299343
126b4544076
13387b94066
14204a64aca
151273db456
hexb20edb5a

2987318106 has 24 divisors (see below), whose sum is σ = 6474446784. Its totient is φ = 995476680.

The previous prime is 2987318051. The next prime is 2987318137. The reversal of 2987318106 is 6018137892.

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 11 ways as a sum of consecutive naturals, for example, 42505 + ... + 88211.

It is an arithmetic number, because the mean of its divisors is an integer number (269768616).

Almost surely, 22987318106 is an apocalyptic number.

2987318106 is an abundant number, since it is smaller than the sum of its proper divisors (3487128678).

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

2987318106 is a wasteful number, since it uses less digits than its factorization.

2987318106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49346 (or 49343 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 2987318106 is about 54656.3638197786. The cubic root of 2987318106 is about 1440.2144269806.

The spelling of 2987318106 in words is "two billion, nine hundred eighty-seven million, three hundred eighteen thousand, one hundred six".

Divisors: 1 2 3 6 9 18 3631 7262 10893 21786 32679 45707 65358 91414 137121 274242 411363 822726 165962117 331924234 497886351 995772702 1493659053 2987318106