Search a number
-
+
5668448665 = 511131978137
BaseRepresentation
bin1010100011101110…
…11010100110011001
3112122001012000202011
411101313122212121
543102110324130
62334250305521
7260320006255
oct52167324631
915561160664
105668448665
112449767420
1211224282a1
136c44a1b49
143bab85265
1523299552a
hex151dda999

5668448665 has 16 divisors (see below), whose sum is σ = 7426235520. Its totient is φ = 4119329920.

The previous prime is 5668448651. The next prime is 5668448683.

5668448665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5668448665 - 215 = 5668415897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33477 + ... + 111613.

It is an arithmetic number, because the mean of its divisors is an integer number (464139720).

Almost surely, 25668448665 is an apocalyptic number.

5668448665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5668448665 is a deficient number, since it is larger than the sum of its proper divisors (1757786855).

5668448665 is a wasteful number, since it uses less digits than its factorization.

5668448665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79472.

The product of its digits is 33177600, while the sum is 58.

The square root of 5668448665 is about 75289.1005723936. The cubic root of 5668448665 is about 1783.0139428790.

The spelling of 5668448665 in words is "five billion, six hundred sixty-eight million, four hundred forty-eight thousand, six hundred sixty-five".

Divisors: 1 5 11 55 1319 6595 14509 72545 78137 390685 859507 4297535 103062703 515313515 1133689733 5668448665