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20331440014 = 243049236143
BaseRepresentation
bin10010111011110110…
…010010011110001110
31221110221012011110211
4102323312102132032
5313114322040024
613201245153034
71316555250214
oct227366223616
957427164424
1020331440014
118693627896
123b34b5b77a
131bc0262ca2
14dac320cb4
157dedda594
hex4bbd9278e

20331440014 has 8 divisors (see below), whose sum is σ = 30497997600. Its totient is φ = 10165440816.

The previous prime is 20331440011. The next prime is 20331440027. The reversal of 20331440014 is 41004413302.

20331440014 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-4 number, since 4×203314400144 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331440011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31974 + ... + 204169.

It is an arithmetic number, because the mean of its divisors is an integer number (3812249700).

Almost surely, 220331440014 is an apocalyptic number.

20331440014 is a deficient number, since it is larger than the sum of its proper divisors (10166557586).

20331440014 is a wasteful number, since it uses less digits than its factorization.

20331440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279194.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20331440014 its reverse (41004413302), we get a palindrome (61335853316).

The spelling of 20331440014 in words is "twenty billion, three hundred thirty-one million, four hundred forty thousand, fourteen".

Divisors: 1 2 43049 86098 236143 472286 10165720007 20331440014