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13103555145 = 3559113283463
BaseRepresentation
bin11000011010000100…
…00110001001001001
31020211012122120102020
430031002012021021
5203314002231040
610004130355053
7642501244452
oct141502061111
936735576366
1013103555145
115614684a1a
12265842ba89
13130a98b735
148c4404129
1551a5a9cd0
hex30d086249

13103555145 has 64 divisors (see below), whose sum is σ = 21632348160. Its totient is φ = 6770598912.

The previous prime is 13103555131. The next prime is 13103555183. The reversal of 13103555145 is 54155530131.

It is not a de Polignac number, because 13103555145 - 212 = 13103551049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28301184 + ... + 28301646.

It is an arithmetic number, because the mean of its divisors is an integer number (338005440).

Almost surely, 213103555145 is an apocalyptic number.

13103555145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13103555145 is a deficient number, since it is larger than the sum of its proper divisors (8528793015).

13103555145 is a wasteful number, since it uses less digits than its factorization.

13103555145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its (nonzero) digits is 22500, while the sum is 33.

The spelling of 13103555145 in words is "thirteen billion, one hundred three million, five hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 3 5 15 59 113 177 283 295 339 463 565 849 885 1389 1415 1695 2315 4245 6667 6945 16697 20001 27317 31979 33335 50091 52319 81951 83485 95937 100005 131029 136585 156957 159895 250455 261595 393087 409755 479685 655145 784785 1886761 1965435 3086821 5660283 7730711 9260463 9433805 14806277 15434105 23192133 28301415 38653555 44418831 46302315 74031385 115960665 222094155 873570343 2620711029 4367851715 13103555145