Base | Representation |
---|---|
bin | 1001011011110110011100… |
… | …10011010010011011010001 |
3 | 2201110111121110201000221212 |
4 | 10231323032103102123101 |
5 | 10204414204204434020 |
6 | 112043323041425505 |
7 | 4241001402224360 |
oct | 455731623223321 |
9 | 81414543630855 |
10 | 20748153202385 |
11 | 667a273641364 |
12 | 23b116a63b295 |
13 | b767089c6a2b |
14 | 51a3048b77d7 |
15 | 25ea915d3cc5 |
hex | 12dece4d26d1 |
20748153202385 has 32 divisors (see below), whose sum is σ = 30098503687680. Its totient is φ = 13422305622528.
The previous prime is 20748153202369. The next prime is 20748153202391. The reversal of 20748153202385 is 58320235184702.
20748153202385 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 20748153202385 - 24 = 20748153202369 is a prime.
It is a super-2 number, since 2×207481532023852 (a number of 27 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176476190 + ... + 176593719.
It is an arithmetic number, because the mean of its divisors is an integer number (940578240240).
Almost surely, 220748153202385 is an apocalyptic number.
It is an amenable number.
20748153202385 is a deficient number, since it is larger than the sum of its proper divisors (9350350485295).
20748153202385 is a wasteful number, since it uses less digits than its factorization.
20748153202385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353070017.
The product of its (nonzero) digits is 3225600, while the sum is 50.
The spelling of 20748153202385 in words is "twenty trillion, seven hundred forty-eight billion, one hundred fifty-three million, two hundred two thousand, three hundred eighty-five".
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