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20310302662163 = 389387831346249
BaseRepresentation
bin1001001111000110111000…
…11000000001111000010011
32122220122102220122222221222
410213203130120001320103
510130230444440142123
6111110231345035255
74164241143104213
oct447433430017023
978818386588858
1020310302662163
116520607400968
122340333325b2b
13b4433a720537
145030497ca243
152534b6c8a6c8
hex1278dc601e13

20310302662163 has 8 divisors (see below), whose sum is σ = 20363054400000. Its totient is φ = 20257553695168.

The previous prime is 20310302662159. The next prime is 20310302662211. The reversal of 20310302662163 is 36126620301302.

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

It is a cyclic number.

It is not a de Polignac number, because 20310302662163 - 22 = 20310302662159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20310302662103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14413463 + ... + 15759711.

It is an arithmetic number, because the mean of its divisors is an integer number (2545381800000).

Almost surely, 220310302662163 is an apocalyptic number.

20310302662163 is a deficient number, since it is larger than the sum of its proper divisors (52751737837).

20310302662163 is a wasteful number, since it uses less digits than its factorization.

20310302662163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385421.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 20310302662163 its reverse (36126620301302), we get a palindrome (56436922963465).

The spelling of 20310302662163 in words is "twenty trillion, three hundred ten billion, three hundred two million, six hundred sixty-two thousand, one hundred sixty-three".

Divisors: 1 389 38783 1346249 15086587 523690861 52211574967 20310302662163