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13130312103 = 3213910495853
BaseRepresentation
bin11000011101010000…
…01010100110100111
31020220001222222001200
430032220022212213
5203342324441403
610010524053543
7643244545206
oct141650124647
936801888050
1013130312103
11562879a907
1226653942b3
13131339955c
148c7bab23d
1551cae2ca3
hex30ea0a9a7

13130312103 has 12 divisors (see below), whose sum is σ = 19102454280. Its totient is φ = 8690565456.

The previous prime is 13130312099. The next prime is 13130312149. The reversal of 13130312103 is 30121303131.

It is a happy number.

It is not a de Polignac number, because 13130312103 - 22 = 13130312099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130312183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5246676 + ... + 5249177.

It is an arithmetic number, because the mean of its divisors is an integer number (1591871190).

Almost surely, 213130312103 is an apocalyptic number.

13130312103 is a deficient number, since it is larger than the sum of its proper divisors (5972142177).

13130312103 is a wasteful number, since it uses less digits than its factorization.

13130312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495998 (or 10495995 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13130312103 its reverse (30121303131), we get a palindrome (43251615234).

The spelling of 13130312103 in words is "thirteen billion, one hundred thirty million, three hundred twelve thousand, one hundred three".

Divisors: 1 3 9 139 417 1251 10495853 31487559 94462677 1458923567 4376770701 13130312103