Base | Representation |
---|---|
bin | 1001001111000110100011… |
… | …01000100011011101110111 |
3 | 2122220121222100120000000202 |
4 | 10213203101220203131313 |
5 | 10130230112321212123 |
6 | 111110201430231115 |
7 | 4164233524221602 |
oct | 447432150433567 |
9 | 78817870500022 |
10 | 20310122444663 |
11 | 65205246aa887 |
12 | 23402a2ab549b |
13 | b4430c2a166c |
14 | 50302d8b7339 |
15 | 2534a603ca28 |
hex | 1278d1a23777 |
20310122444663 has 8 divisors (see below), whose sum is σ = 21379502623920. Its totient is φ = 19240784902080.
The previous prime is 20310122444657. The next prime is 20310122444669. The reversal of 20310122444663 is 36644422101302.
It is an interprime number because it is at equal distance from previous prime (20310122444657) and next prime (20310122444669).
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 20310122444663 - 28 = 20310122444407 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20310122444669) 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, 9679070 + ... + 11588987.
It is an arithmetic number, because the mean of its divisors is an integer number (2672437827990).
Almost surely, 220310122444663 is an apocalyptic number.
20310122444663 is a deficient number, since it is larger than the sum of its proper divisors (1069380179257).
20310122444663 is a wasteful number, since it uses less digits than its factorization.
20310122444663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21318337.
The product of its (nonzero) digits is 165888, while the sum is 38.
Adding to 20310122444663 its reverse (36644422101302), we get a palindrome (56954544545965).
The spelling of 20310122444663 in words is "twenty trillion, three hundred ten billion, one hundred twenty-two million, four hundred forty-four thousand, six hundred sixty-three".
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