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2468782991 = 31199939839
BaseRepresentation
bin1001001100100110…
…1010001110001111
320101001110011121002
42103021222032033
520024002023431
61044550330515
7115115211023
oct22311521617
96331404532
102468782991
111057622224
1258a959a3b
1330461c54c
14195c46383
15e6b113cb
hex9326a38f

2468782991 has 8 divisors (see below), whose sum is σ = 2549760000. Its totient is φ = 2387889720.

The previous prime is 2468782957. The next prime is 2468782997. The reversal of 2468782991 is 1992878642.

2468782991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2468782991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2468782997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42050 + ... + 81888.

It is an arithmetic number, because the mean of its divisors is an integer number (318720000).

Almost surely, 22468782991 is an apocalyptic number.

2468782991 is a deficient number, since it is larger than the sum of its proper divisors (80977009).

2468782991 is a wasteful number, since it uses less digits than its factorization.

2468782991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41869.

The product of its digits is 3483648, while the sum is 56.

The square root of 2468782991 is about 49686.8492762421. The cubic root of 2468782991 is about 1351.5360642757.

The spelling of 2468782991 in words is "two billion, four hundred sixty-eight million, seven hundred eighty-two thousand, nine hundred ninety-one".

Divisors: 1 31 1999 39839 61969 1235009 79638161 2468782991