Search a number
-
+
344103021440 = 275537660971
BaseRepresentation
bin1010000000111100010…
…00110110101110000000
31012220012010112122112122
411000132020312232000
521114210333141230
6422025001543412
733601123264643
oct5003610665600
91186163478478
10344103021440
11122a2a204052
12568334a4b68
13265aac636b9
14129245dda5a
158e3e4babe5
hex501e236b80

344103021440 has 32 divisors (see below), whose sum is σ = 822621287160. Its totient is φ = 137641208320.

The previous prime is 344103021439. The next prime is 344103021443. The reversal of 344103021440 is 44120301443.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344103021443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268829846 + ... + 268831125.

Almost surely, 2344103021440 is an apocalyptic number.

It is an amenable number.

344103021440 is an abundant number, since it is smaller than the sum of its proper divisors (478518265720).

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

344103021440 is an equidigital number, since it uses as much as digits as its factorization.

344103021440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537660990 (or 537660978 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 344103021440 its reverse (44120301443), we get a palindrome (388223322883).

The spelling of 344103021440 in words is "three hundred forty-four billion, one hundred three million, twenty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 537660971 1075321942 2150643884 2688304855 4301287768 5376609710 8602575536 10753219420 17205151072 21506438840 34410302144 43012877680 68820604288 86025755360 172051510720 344103021440