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2393145868 = 22977612371
BaseRepresentation
bin1000111010100100…
…1000001000001100
320011210010101222011
42032221020020030
514400121131433
61033245231004
7113206255441
oct21651101014
96153111864
102393145868
111018960a03
12569562464
132c1a58c59
14189b979c8
15e01703cd
hex8ea4820c

2393145868 has 12 divisors (see below), whose sum is σ = 4192298712. Its totient is φ = 1195346240.

The previous prime is 2393145841. The next prime is 2393145869. The reversal of 2393145868 is 8685413932.

It is not an unprimeable number, because it can be changed into a prime (2393145869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302278 + ... + 310093.

It is an arithmetic number, because the mean of its divisors is an integer number (349358226).

Almost surely, 22393145868 is an apocalyptic number.

It is an amenable number.

2393145868 is a deficient number, since it is larger than the sum of its proper divisors (1799152844).

2393145868 is a wasteful number, since it uses less digits than its factorization.

2393145868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613352 (or 613350 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 2393145868 is about 48919.7901467290. The cubic root of 2393145868 is about 1337.5901344096.

The spelling of 2393145868 in words is "two billion, three hundred ninety-three million, one hundred forty-five thousand, eight hundred sixty-eight".

Divisors: 1 2 4 977 1954 3908 612371 1224742 2449484 598286467 1196572934 2393145868