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103343231205 = 3252689854041
BaseRepresentation
bin110000000111110111…
…1001001000011100101
3100212202011112002021200
41200033233021003211
53143121331344310
6115250352033113
710315640654154
oct1401757110345
9325664462250
10103343231205
113a9116181a5
1218041532799
13998c34a266
14500509159b
152a4c9cb9c0
hex180fbc90e5

103343231205 has 24 divisors (see below), whose sum is σ = 179195092440. Its totient is φ = 55095828480.

The previous prime is 103343231203. The next prime is 103343231261. The reversal of 103343231205 is 502132343301.

103343231205 is a `hidden beast` number, since 1 + 0 + 3 + 343 + 2 + 312 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67125249 + 103276105956 = 8193^2 + 321366^2 .

It is not a de Polignac number, because 103343231205 - 21 = 103343231203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103343231203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306016 + ... + 548025.

It is an arithmetic number, because the mean of its divisors is an integer number (7466462185).

Almost surely, 2103343231205 is an apocalyptic number.

103343231205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103343231205 is a deficient number, since it is larger than the sum of its proper divisors (75851861235).

103343231205 is a wasteful number, since it uses less digits than its factorization.

103343231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856741 (or 856738 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 103343231205 its reverse (502132343301), we get a palindrome (605475574506).

The spelling of 103343231205 in words is "one hundred three billion, three hundred forty-three million, two hundred thirty-one thousand, two hundred five".

Divisors: 1 3 5 9 15 45 2689 8067 13445 24201 40335 121005 854041 2562123 4270205 7686369 12810615 38431845 2296516249 6889548747 11482581245 20668646241 34447743735 103343231205