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20141581823 = 1113113977503
BaseRepresentation
bin10010110000100010…
…000010010111111111
31220222200221100222222
4102300202002113333
5312222221104243
613130343555555
71312061422616
oct226042022777
956880840888
1020141581823
1185a64415a0
123aa145bbbb
131b8cb19c6c
14d9101c87d
157cd3d6168
hex4b08825ff

20141581823 has 8 divisors (see below), whose sum is σ = 22140366336. Its totient is φ = 18170752600.

The previous prime is 20141581799. The next prime is 20141581829. The reversal of 20141581823 is 32818514102.

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

It is not a de Polignac number, because 20141581823 - 216 = 20141516287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20141581829) 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 7 ways as a sum of consecutive naturals, for example, 6987311 + ... + 6990192.

It is an arithmetic number, because the mean of its divisors is an integer number (2767545792).

Almost surely, 220141581823 is an apocalyptic number.

20141581823 is a deficient number, since it is larger than the sum of its proper divisors (1998784513).

20141581823 is a wasteful number, since it uses less digits than its factorization.

20141581823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13977645.

The product of its (nonzero) digits is 15360, while the sum is 35.

The spelling of 20141581823 in words is "twenty billion, one hundred forty-one million, five hundred eighty-one thousand, eight hundred twenty-three".

Divisors: 1 11 131 1441 13977503 153752533 1831052893 20141581823