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29109187370537 = 105424327611459
BaseRepresentation
bin1101001111001100000101…
…10001011101111000101001
310211001210220022120110022122
412213212002301131320221
512303411103431324122
6141524324233001025
76063032541103421
oct647460261357051
9124053808513278
1029109187370537
11930315643977a
12332167bb53175
131331ca51b8091
14728c6c231481
153572e413b142
hex1a7982c5de29

29109187370537 has 4 divisors (see below), whose sum is σ = 29109216036240. Its totient is φ = 29109158704836.

The previous prime is 29109187370509. The next prime is 29109187370573. The reversal of 29109187370537 is 73507378190192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 29109187370537 - 238 = 28834309463593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29109187370537.

It is not an unprimeable number, because it can be changed into a prime (29109187370587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12751487 + ... + 14859972.

It is an arithmetic number, because the mean of its divisors is an integer number (7277304009060).

Almost surely, 229109187370537 is an apocalyptic number.

It is an amenable number.

29109187370537 is a deficient number, since it is larger than the sum of its proper divisors (28665703).

29109187370537 is a wasteful number, since it uses less digits than its factorization.

29109187370537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28665702.

The product of its (nonzero) digits is 20003760, while the sum is 62.

The spelling of 29109187370537 in words is "twenty-nine trillion, one hundred nine billion, one hundred eighty-seven million, three hundred seventy thousand, five hundred thirty-seven".

Divisors: 1 1054243 27611459 29109187370537