Search a number
-
+
103420544240 = 2451399442831
BaseRepresentation
bin110000001010001011…
…0000100010011110000
3100212221112222222211102
41200110112010103300
53143301124403430
6115302153103532
710320600056456
oct1402426042360
9325845888742
10103420544240
113a951223672
12180633b7ba8
1399a2379610
1450114589d6
152a5469e345
hex18145844f0

103420544240 has 40 divisors (see below), whose sum is σ = 258949134528. Its totient is φ = 38186046720.

The previous prime is 103420544239. The next prime is 103420544251. The reversal of 103420544240 is 42445024301.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 49720376 + ... + 49722455.

Almost surely, 2103420544240 is an apocalyptic number.

103420544240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103420544240 is an abundant number, since it is smaller than the sum of its proper divisors (155528590288).

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

103420544240 is a wasteful number, since it uses less digits than its factorization.

103420544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99442857 (or 99442851 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 103420544240 its reverse (42445024301), we get a palindrome (145865568541).

The spelling of 103420544240 in words is "one hundred three billion, four hundred twenty million, five hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 99442831 198885662 397771324 497214155 795542648 994428310 1292756803 1591085296 1988856620 2585513606 3977713240 5171027212 6463784015 7955426480 10342054424 12927568030 20684108848 25855136060 51710272120 103420544240