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2105514068 = 22775196931
BaseRepresentation
bin111110101111111…
…1001100001010100
312102201220012022112
41331133321201110
513303002422233
6544532250152
7103114400660
oct17537714124
95381805275
102105514068
11990564979
124a9170958
1327729b918
1415d8c38a0
15c4ca6048
hex7d7f9854

2105514068 has 12 divisors (see below), whose sum is σ = 4211028192. Its totient is φ = 902363160.

The previous prime is 2105514067. The next prime is 2105514071. The reversal of 2105514068 is 8604155012.

2105514068 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105514067) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37598438 + ... + 37598493.

It is an arithmetic number, because the mean of its divisors is an integer number (350919016).

Almost surely, 22105514068 is an apocalyptic number.

2105514068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2105514068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2105514068 is a wasteful number, since it uses less digits than its factorization.

2105514068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75196942 (or 75196940 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 2105514068 is about 45885.8809221312. The cubic root of 2105514068 is about 1281.6990109061.

The spelling of 2105514068 in words is "two billion, one hundred five million, five hundred fourteen thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 75196931 150393862 300787724 526378517 1052757034 2105514068