Search a number
-
+
44927481820 = 22513172798007
BaseRepresentation
bin101001110101111000…
…101111011111011100
311021222001222112211011
4221311320233133130
51214002413404240
632350035505004
73150226203004
oct516570573734
9137861875734
1044927481820
1118065435071
12885a158164
13430cba0390
142262b93004
15127e3b66ea
hexa75e2f7dc

44927481820 has 24 divisors (see below), whose sum is σ = 101605228704. Its totient is φ = 16588608576.

The previous prime is 44927481811. The next prime is 44927481821. The reversal of 44927481820 is 2818472944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44927481821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86398744 + ... + 86399263.

It is an arithmetic number, because the mean of its divisors is an integer number (4233551196).

Almost surely, 244927481820 is an apocalyptic number.

It is an amenable number.

44927481820 is an abundant number, since it is smaller than the sum of its proper divisors (56677746884).

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

44927481820 is a wasteful number, since it uses less digits than its factorization.

44927481820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172798029 (or 172798027 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 44927481820 in words is "forty-four billion, nine hundred twenty-seven million, four hundred eighty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 172798007 345596014 691192028 863990035 1727980070 2246374091 3455960140 4492748182 8985496364 11231870455 22463740910 44927481820