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11974049875 = 53175634847
BaseRepresentation
bin10110010011011010…
…11000000001010011
31010220111021202110201
423021231120001103
5144010324044000
65300101240031
7602504513254
oct131155300123
933814252421
1011974049875
115095047997
1223a2103017
13118a97a018
148183c4b2b
154a134696a
hex2c9b58053

11974049875 has 16 divisors (see below), whose sum is σ = 15822653184. Its totient is φ = 9015753600.

The previous prime is 11974049873. The next prime is 11974049933. The reversal of 11974049875 is 57894047911.

It is a happy number.

It is not a de Polignac number, because 11974049875 - 21 = 11974049873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11974049873) 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, 2815299 + ... + 2819548.

It is an arithmetic number, because the mean of its divisors is an integer number (988915824).

Almost surely, 211974049875 is an apocalyptic number.

11974049875 is a deficient number, since it is larger than the sum of its proper divisors (3848603309).

11974049875 is an equidigital number, since it uses as much as digits as its factorization.

11974049875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5634879 (or 5634869 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 55.

The spelling of 11974049875 in words is "eleven billion, nine hundred seventy-four million, forty-nine thousand, eight hundred seventy-five".

Divisors: 1 5 17 25 85 125 425 2125 5634847 28174235 95792399 140871175 478961995 704355875 2394809975 11974049875