Search a number
-
+
44444168220 = 22352332205919
BaseRepresentation
bin101001011001000101…
…000011000000011100
311020201101112200012110
4221121011003000130
51212010201340340
632230052434020
73132240124314
oct513105030034
9136641480173
1044444168220
1117937635441
128744318910
134263a0b3ba
142218902444
151251c47680
hexa5914301c

44444168220 has 48 divisors (see below), whose sum is σ = 129854269440. Its totient is φ = 11336483136.

The previous prime is 44444168213. The next prime is 44444168221. The reversal of 44444168220 is 2286144444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44444168221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16101580 + ... + 16104339.

It is an arithmetic number, because the mean of its divisors is an integer number (2705297280).

Almost surely, 244444168220 is an apocalyptic number.

It is an amenable number.

44444168220 is an abundant number, since it is smaller than the sum of its proper divisors (85410101220).

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

44444168220 is a wasteful number, since it uses less digits than its factorization.

44444168220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32205954 (or 32205952 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 39.

The spelling of 44444168220 in words is "forty-four billion, four hundred forty-four million, one hundred sixty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 32205919 64411838 96617757 128823676 161029595 193235514 322059190 386471028 483088785 644118380 740736137 966177570 1481472274 1932355140 2222208411 2962944548 3703680685 4444416822 7407361370 8888833644 11111042055 14814722740 22222084110 44444168220