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13542345105 = 357112715817
BaseRepresentation
bin11001001110010111…
…11100100110010001
31021221210022102002020
430213023330212101
5210213320020410
610115443242053
7656410014462
oct144713744621
937853272066
1013542345105
11581a334353
12275b379329
13137a861b73
149267c4d69
15543d81a70
hex3272fc991

13542345105 has 16 divisors (see below), whose sum is σ = 21972933504. Its totient is φ = 7120856960.

The previous prime is 13542345101. The next prime is 13542345139. The reversal of 13542345105 is 50154324531.

It is not a de Polignac number, because 13542345105 - 22 = 13542345101 is a prime.

It is a super-2 number, since 2×135423451052 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13542345101) 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, 6356844 + ... + 6358973.

It is an arithmetic number, because the mean of its divisors is an integer number (1373308344).

Almost surely, 213542345105 is an apocalyptic number.

13542345105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13542345105 is a deficient number, since it is larger than the sum of its proper divisors (8430588399).

13542345105 is a wasteful number, since it uses less digits than its factorization.

13542345105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12715896.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13542345105 its reverse (50154324531), we get a palindrome (63696669636).

The spelling of 13542345105 in words is "thirteen billion, five hundred forty-two million, three hundred forty-five thousand, one hundred five".

Divisors: 1 3 5 15 71 213 355 1065 12715817 38147451 63579085 190737255 902823007 2708469021 4514115035 13542345105