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13103301140 = 2251738539121
BaseRepresentation
bin11000011010000010…
…01000001000010100
31020211012011122222122
430031001020020110
5203313421114030
610004121115112
7642466136066
oct141501101024
936735148878
1013103301140
1156145210a6
122658328a98
13130a8ccc37
148c4379736
1551a5598e5
hex30d048214

13103301140 has 24 divisors (see below), whose sum is σ = 29135576232. Its totient is φ = 4933007360.

The previous prime is 13103301139. The next prime is 13103301173. The reversal of 13103301140 is 4110330131.

It can be written as a sum of positive squares in 4 ways, for example, as 1767866116 + 11335435024 = 42046^2 + 106468^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19269221 + ... + 19269900.

It is an arithmetic number, because the mean of its divisors is an integer number (1213982343).

Almost surely, 213103301140 is an apocalyptic number.

13103301140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103301140 is an abundant number, since it is smaller than the sum of its proper divisors (16032275092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103301140 is a wasteful number, since it uses less digits than its factorization.

13103301140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38539147 (or 38539145 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13103301140 its reverse (4110330131), we get a palindrome (17213631271).

The spelling of 13103301140 in words is "thirteen billion, one hundred three million, three hundred one thousand, one hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 38539121 77078242 154156484 192695605 385391210 655165057 770782420 1310330114 2620660228 3275825285 6551650570 13103301140