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13001023203 = 376173100291
BaseRepresentation
bin11000001101110101…
…11101111011100011
31020120001201102000220
430012322331323203
5203111230220303
65550025014123
7640114605510
oct140672757343
936501642026
1013001023203
115571814183
12262a024343
1312c266c64c
148b4954307
155115a5053
hex306ebdee3

13001023203 has 16 divisors (see below), whose sum is σ = 19814489856. Its totient is φ = 7427878560.

The previous prime is 13001023181. The next prime is 13001023253. The reversal of 13001023203 is 30232010031.

It is not a de Polignac number, because 13001023203 - 225 = 12967468771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13001023253) 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, 79488 + ... + 179778.

It is an arithmetic number, because the mean of its divisors is an integer number (1238405616).

Almost surely, 213001023203 is an apocalyptic number.

13001023203 is a deficient number, since it is larger than the sum of its proper divisors (6813466653).

13001023203 is a wasteful number, since it uses less digits than its factorization.

13001023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106474.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13001023203 its reverse (30232010031), we get a palindrome (43233033234).

It can be divided in two parts, 1300102 and 3203, that added together give a triangular number (1303305 = T1614).

The spelling of 13001023203 in words is "thirteen billion, one million, twenty-three thousand, two hundred three".

Divisors: 1 3 7 21 6173 18519 43211 100291 129633 300873 702037 2106111 619096343 1857289029 4333674401 13001023203