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11813421486 = 231968903581
BaseRepresentation
bin10110000000010001…
…01000000110101110
31010111022000222202010
423000020220012232
5143143213441421
65232122342050
7565514266026
oct130010500656
933438028663
1011813421486
115012406459
12235835a926
1311635c9539
14800d30a86
154921b8076
hex2c02281ae

11813421486 has 8 divisors (see below), whose sum is σ = 23626842984. Its totient is φ = 3937807160.

The previous prime is 11813421461. The next prime is 11813421523. The reversal of 11813421486 is 68412431811.

It is a sphenic number, since it is the product of 3 distinct primes.

11813421486 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984451785 + ... + 984451796.

It is an arithmetic number, because the mean of its divisors is an integer number (2953355373).

Almost surely, 211813421486 is an apocalyptic number.

11813421486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11813421486 is a wasteful number, since it uses less digits than its factorization.

11813421486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968903586.

The product of its digits is 36864, while the sum is 39.

The spelling of 11813421486 in words is "eleven billion, eight hundred thirteen million, four hundred twenty-one thousand, four hundred eighty-six".

Divisors: 1 2 3 6 1968903581 3937807162 5906710743 11813421486