Search a number
-
+
103431040540 = 22523935116163
BaseRepresentation
bin110000001010011111…
…0000110111000011100
3100212222021202021001021
41200110332012320130
53143311321244130
6115303210053524
710321055224102
oct1402476067034
9325867667037
10103431040540
113a9571426a3
1218066a1a2a4
1399a45b3049
1450129cbc72
152a5557437a
hex1814f86e1c

103431040540 has 48 divisors (see below), whose sum is σ = 218211517440. Its totient is φ = 41180892480.

The previous prime is 103431040529. The next prime is 103431040541. The reversal of 103431040540 is 45040134301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103431040541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779499 + ... + 16785661.

It is an arithmetic number, because the mean of its divisors is an integer number (4546073280).

Almost surely, 2103431040540 is an apocalyptic number.

103431040540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103431040540 is an abundant number, since it is smaller than the sum of its proper divisors (114780476900).

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

103431040540 is a wasteful number, since it uses less digits than its factorization.

103431040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922 (or 9920 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 103431040540 its reverse (45040134301), we get a palindrome (148471174841).

The spelling of 103431040540 in words is "one hundred three billion, four hundred thirty-one million, forty thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 3511 4780 6163 7022 12326 14044 17555 24652 30815 35110 61630 70220 123260 839129 1472957 1678258 2945914 3356516 4195645 5891828 7364785 8391290 14729570 16782580 21638293 29459140 43276586 86553172 108191465 216382930 432765860 5171552027 10343104054 20686208108 25857760135 51715520270 103431040540