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13115157545 = 571014498263
BaseRepresentation
bin11000011011011100…
…10110110000101001
31020212000111000220202
430031232112300221
5203324440020140
610005223201545
7643001666630
oct141556266051
936760430822
1013115157545
115620189a86
1226602a62b5
1313101c1769
148c5b84517
1551b5ec915
hex30db96c29

13115157545 has 32 divisors (see below), whose sum is σ = 18207244800. Its totient is φ = 8883302400.

The previous prime is 13115157511. The next prime is 13115157547. The reversal of 13115157545 is 54575151131.

13115157545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13115157545 - 26 = 13115157481 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13115157499 and 13115157508.

It is not an unprimeable number, because it can be changed into a prime (13115157547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1583084 + ... + 1591346.

It is an arithmetic number, because the mean of its divisors is an integer number (568976400).

Almost surely, 213115157545 is an apocalyptic number.

It is an amenable number.

13115157545 is a deficient number, since it is larger than the sum of its proper divisors (5092087255).

13115157545 is a wasteful number, since it uses less digits than its factorization.

13115157545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8825.

The product of its digits is 52500, while the sum is 38.

The spelling of 13115157545 in words is "thirteen billion, one hundred fifteen million, one hundred fifty-seven thousand, five hundred forty-five".

Divisors: 1 5 7 35 101 449 505 707 2245 3143 3535 8263 15715 41315 45349 57841 226745 289205 317443 834563 1587215 3710087 4172815 5841941 18550435 25970609 29209705 129853045 374718787 1873593935 2623031509 13115157545