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28601651112 = 23313714236113
BaseRepresentation
bin11010101000110010…
…101000111110101000
32201211022001102022120
4122220302220332220
5432034010313422
621050040351240
72031530010636
oct325062507650
981738042276
1028601651112
11111479828a1
125662775520
13290a774018
141554846356
15b25ead45c
hex6a8ca8fa8

28601651112 has 64 divisors (see below), whose sum is σ = 72088462080. Its totient is φ = 9456095232.

The previous prime is 28601651093. The next prime is 28601651123. The reversal of 28601651112 is 21115610682.

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 15 ways as a sum of consecutive naturals, for example, 4675768 + ... + 4681880.

It is an arithmetic number, because the mean of its divisors is an integer number (1126382220).

Almost surely, 228601651112 is an apocalyptic number.

It is an amenable number.

28601651112 is an abundant number, since it is smaller than the sum of its proper divisors (43486810968).

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

28601651112 is a wasteful number, since it uses less digits than its factorization.

28601651112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7682 (or 7678 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The spelling of 28601651112 in words is "twenty-eight billion, six hundred one million, six hundred fifty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 137 274 411 548 822 1096 1423 1644 2846 3288 4269 5692 6113 8538 11384 12226 17076 18339 24452 34152 36678 48904 73356 146712 194951 389902 584853 779804 837481 1169706 1559608 1674962 2339412 2512443 3349924 4678824 5024886 6699848 8698799 10049772 17397598 20099544 26096397 34795196 52192794 69590392 104385588 208771176 1191735463 2383470926 3575206389 4766941852 7150412778 9533883704 14300825556 28601651112