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9105052141 = 712334311277
BaseRepresentation
bin10000111101011010…
…00001000111101101
3212111112202120110101
420132231001013231
5122121343132031
64103252511101
7441426444343
oct103655010755
925445676411
109105052141
113952623489
12192131b491
13b21472523
1462535d993
1538452d361
hex21eb411ed

9105052141 has 16 divisors (see below), whose sum is σ = 9301713408. Its totient is φ = 8910563200.

The previous prime is 9105052133. The next prime is 9105052147. The reversal of 9105052141 is 1412505019.

9105052141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9105052141 - 23 = 9105052133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9105052147) 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 15 ways as a sum of consecutive naturals, for example, 7129395 + ... + 7130671.

It is an arithmetic number, because the mean of its divisors is an integer number (581357088).

Almost surely, 29105052141 is an apocalyptic number.

It is an amenable number.

9105052141 is a deficient number, since it is larger than the sum of its proper divisors (196661267).

9105052141 is a wasteful number, since it uses less digits than its factorization.

9105052141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 9105052141 is about 95420.3968813796. The cubic root of 9105052141 is about 2088.1457681840.

The spelling of 9105052141 in words is "nine billion, one hundred five million, fifty-two thousand, one hundred forty-one".

Divisors: 1 71 233 431 1277 16543 30601 90667 100423 297541 550387 7130033 21125411 39077477 128240171 9105052141