Search a number
-
+
43347432990 = 23531212711839
BaseRepresentation
bin101000010111101101…
…010101011000011110
311010212221211202022010
4220113231111120132
51202233420323430
631525153532050
73063122046441
oct502755253036
9133787752263
1043347432990
111742454aa94
128498b74026
13411a731744
142152db3658
1511da808cb0
hexa17b5561e

43347432990 has 96 divisors (see below), whose sum is σ = 108353617920. Its totient is φ = 11097414720.

The previous prime is 43347432911. The next prime is 43347433013. The reversal of 43347432990 is 9923474334.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3655491 + ... + 3667329.

It is an arithmetic number, because the mean of its divisors is an integer number (1128683520).

Almost surely, 243347432990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43347432990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54176808960).

43347432990 is an abundant number, since it is smaller than the sum of its proper divisors (65006184930).

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

43347432990 is a wasteful number, since it uses less digits than its factorization.

43347432990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038 (or 12007 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 43347432990 in words is "forty-three billion, three hundred forty-seven million, four hundred thirty-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 127 155 186 254 310 381 465 635 762 930 961 1270 1905 1922 2883 3810 3937 4805 5766 7874 9610 11811 11839 14415 19685 23622 23678 28830 35517 39370 59055 59195 71034 118110 118390 122047 177585 244094 355170 366141 367009 610235 732282 734018 1101027 1220470 1503553 1830705 1835045 2202054 3007106 3661410 3670090 4510659 5505135 7517765 9021318 11010270 11377279 15035530 22553295 22754558 34131837 45106590 46610143 56886395 68263674 93220286 113772790 139830429 170659185 233050715 279660858 341318370 466101430 699152145 1398304290 1444914433 2889828866 4334743299 7224572165 8669486598 14449144330 21673716495 43347432990