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20304312400302 = 237483436009531
BaseRepresentation
bin1001001110111011101110…
…10100111111100110101110
32122220001222102221011111120
410213131313110333212232
510130131212433302202
6111103401121001410
74163636534525010
oct447356724774656
978801872834446
1020304312400302
116519013021527
12233b141183266
13b438c46840a8
14502a3bdd41b0
15253265e280bc
hex12777753f9ae

20304312400302 has 16 divisors (see below), whose sum is σ = 46409856915072. Its totient is φ = 5801232114360.

The previous prime is 20304312400301. The next prime is 20304312400321. The reversal of 20304312400302 is 20300421340302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304312400301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241718004724 + ... + 241718004807.

It is an arithmetic number, because the mean of its divisors is an integer number (2900616057192).

Almost surely, 220304312400302 is an apocalyptic number.

20304312400302 is an abundant number, since it is smaller than the sum of its proper divisors (26105544514770).

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

20304312400302 is a wasteful number, since it uses less digits than its factorization.

20304312400302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483436009543.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20304312400302 its reverse (20300421340302), we get a palindrome (40604733740604).

The spelling of 20304312400302 in words is "twenty trillion, three hundred four billion, three hundred twelve million, four hundred thousand, three hundred two".

Divisors: 1 2 3 6 7 14 21 42 483436009531 966872019062 1450308028593 2900616057186 3384052066717 6768104133434 10152156200151 20304312400302