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2047949056 = 2816747903
BaseRepresentation
bin111101000010001…
…0011100100000000
312021201120120222001
41322010103210000
513143233332211
6535114353344
7101515164646
oct17204234400
95251516861
102047949056
1196101748a
12491a2b854
1326839509a
14155dbb196
15bebd4ac1
hex7a113900

2047949056 has 36 divisors (see below), whose sum is σ = 4112462592. Its totient is φ = 1017821696.

The previous prime is 2047949053. The next prime is 2047949083. The reversal of 2047949056 is 6509497402.

It is a super-2 number, since 2×20479490562 = 8388190671942582272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2047948997 and 2047949015.

It is not an unprimeable number, because it can be changed into a prime (2047949051) 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, 18801 + ... + 66703.

It is an arithmetic number, because the mean of its divisors is an integer number (114235072).

Almost surely, 22047949056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2047949056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056231296).

2047949056 is an abundant number, since it is smaller than the sum of its proper divisors (2064513536).

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

2047949056 is an equidigital number, since it uses as much as digits as its factorization.

2047949056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48086 (or 48072 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 2047949056 is about 45254.2711354409. The cubic root of 2047949056 is about 1269.9103117269.

The spelling of 2047949056 in words is "two billion, forty-seven million, nine hundred forty-nine thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 128 167 256 334 668 1336 2672 5344 10688 21376 42752 47903 95806 191612 383224 766448 1532896 3065792 6131584 7999801 12263168 15999602 31999204 63998408 127996816 255993632 511987264 1023974528 2047949056