Search a number
-
+
103440551053 = 7371013394259
BaseRepresentation
bin110000001010110001…
…0011000110010001101
3100212222221122110000111
41200111202120302031
53143321240113203
6115304150000021
710321232114410
oct1402542306215
9325887573014
10103440551053
113a961549024
121806a046011
1399a6562b78
145013d85b77
152a5630226d
hex1815898c8d

103440551053 has 16 divisors (see below), whose sum is σ = 121533010560. Its totient is φ = 86181644736.

The previous prime is 103440551047. The next prime is 103440551077. The reversal of 103440551053 is 350155044301.

It is a cyclic number.

It is not a de Polignac number, because 103440551053 - 25 = 103440551021 is a prime.

It is a super-3 number, since 3×1034405510533 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103440551353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65238 + ... + 459496.

It is an arithmetic number, because the mean of its divisors is an integer number (7595813160).

Almost surely, 2103440551053 is an apocalyptic number.

It is an amenable number.

103440551053 is a deficient number, since it is larger than the sum of its proper divisors (18092459507).

103440551053 is a wasteful number, since it uses less digits than its factorization.

103440551053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395316.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 103440551053 its reverse (350155044301), we get a palindrome (453595595354).

The spelling of 103440551053 in words is "one hundred three billion, four hundred forty million, five hundred fifty-one thousand, fifty-three".

Divisors: 1 7 37 259 1013 7091 37481 262367 394259 2759813 14587583 102113081 399384367 2795690569 14777221579 103440551053