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2485121868 = 2232491140593
BaseRepresentation
bin1001010000011111…
…1111001101001100
320102012012021022200
42110013333031030
520042142344433
61050332441500
7115404121155
oct22407771514
96365167280
102485121868
111065871929
12594319290
13307b20418
1419809a92c
15e828c613
hex941ff34c

2485121868 has 36 divisors (see below), whose sum is σ = 6294674568. Its totient is φ = 826680960.

The previous prime is 2485121839. The next prime is 2485121879. The reversal of 2485121868 is 8681215842.

It is a tau number, because it is divible by the number of its divisors (36).

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, 52621 + ... + 87972.

Almost surely, 22485121868 is an apocalyptic number.

It is an amenable number.

2485121868 is an abundant number, since it is smaller than the sum of its proper divisors (3809552700).

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

2485121868 is a wasteful number, since it uses less digits than its factorization.

2485121868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141094 (or 141089 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 2485121868 is about 49850.9966600468. The cubic root of 2485121868 is about 1354.5110853482.

The spelling of 2485121868 in words is "two billion, four hundred eighty-five million, one hundred twenty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 491 982 1473 1964 2946 4419 5892 8838 17676 140593 281186 421779 562372 843558 1265337 1687116 2530674 5061348 69031163 138062326 207093489 276124652 414186978 621280467 828373956 1242560934 2485121868