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11890825319 = 65918043741
BaseRepresentation
bin10110001001011111…
…11001100001100111
31010200200200111211202
423010233321201213
5143323022402234
65243525353115
7600444230132
oct130457714147
933620614752
1011890825319
11505207406a
12237a26879b
13117665b019
1480b31d219
15498da777e
hex2c4bf9867

11890825319 has 4 divisors (see below), whose sum is σ = 11908869720. Its totient is φ = 11872780920.

The previous prime is 11890825313. The next prime is 11890825357. The reversal of 11890825319 is 91352809811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91352809811 = 810311127381.

It is a cyclic number.

It is not a de Polignac number, because 11890825319 - 212 = 11890821223 is a prime.

It is a super-2 number, since 2×118908253192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11890825313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9021212 + ... + 9022529.

It is an arithmetic number, because the mean of its divisors is an integer number (2977217430).

Almost surely, 211890825319 is an apocalyptic number.

11890825319 is a deficient number, since it is larger than the sum of its proper divisors (18044401).

11890825319 is an equidigital number, since it uses as much as digits as its factorization.

11890825319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044400.

The product of its (nonzero) digits is 155520, while the sum is 47.

The spelling of 11890825319 in words is "eleven billion, eight hundred ninety million, eight hundred twenty-five thousand, three hundred nineteen".

Divisors: 1 659 18043741 11890825319