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105031344103 = 7174737949549
BaseRepresentation
bin110000111010001011…
…0110001111111100111
3101001002211000002211121
41201310112301333213
53210101011002403
6120130054114411
710405526460130
oct1416426617747
9331084002747
10105031344103
11405a8501424
121843294ba07
139b9acc402a
145125360c87
152aeacd33bd
hex18745b1fe7

105031344103 has 32 divisors (see below), whose sum is σ = 130146048000. Its totient is φ = 82707899904.

The previous prime is 105031344083. The next prime is 105031344167. The reversal of 105031344103 is 301443130501.

It is not a de Polignac number, because 105031344103 - 225 = 104997789671 is a prime.

It is a super-2 number, since 2×1050313441032 (a number of 23 digits) contains 22 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 (105031344193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2094973 + ... + 2144521.

It is an arithmetic number, because the mean of its divisors is an integer number (4067064000).

Almost surely, 2105031344103 is an apocalyptic number.

105031344103 is a deficient number, since it is larger than the sum of its proper divisors (25114703897).

105031344103 is a wasteful number, since it uses less digits than its factorization.

105031344103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49999.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 105031344103 its reverse (301443130501), we get a palindrome (406474474604).

The spelling of 105031344103 in words is "one hundred five billion, thirty-one million, three hundred forty-four thousand, one hundred three".

Divisors: 1 7 17 47 119 329 379 799 2653 5593 6443 17813 45101 49549 124691 302821 346843 842333 2119747 2328803 5896331 16301621 18779071 39589651 131453497 277127557 319244207 882616337 2234709449 6178314359 15004477729 105031344103