Base | Representation |
---|---|
bin | 111100001100111… |
… | …0011101100001111 |
3 | 12012210001012221010 |
4 | 1320121303230033 |
5 | 13114111444442 |
6 | 532240140303 |
7 | 101025660633 |
oct | 17031635417 |
9 | 5183035833 |
10 | 2020031247 |
11 | 947289413 |
12 | 484607693 |
13 | 26266ba80 |
14 | 1523d0dc3 |
15 | bc51cb9c |
hex | 78673b0f |
2020031247 has 8 divisors (see below), whose sum is σ = 2900557744. Its totient is φ = 1243096128.
The previous prime is 2020031197. The next prime is 2020031257. The reversal of 2020031247 is 7421300202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2020031247 - 214 = 2020014863 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 (2020031257) 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, 25897798 + ... + 25897875.
It is an arithmetic number, because the mean of its divisors is an integer number (362569718).
Almost surely, 22020031247 is an apocalyptic number.
2020031247 is a deficient number, since it is larger than the sum of its proper divisors (880526497).
2020031247 is a wasteful number, since it uses less digits than its factorization.
2020031247 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51795689.
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 2020031247 is about 44944.7577254567. The cubic root of 2020031247 is about 1264.1133829068.
Adding to 2020031247 its reverse (7421300202), we get a palindrome (9441331449).
The spelling of 2020031247 in words is "two billion, twenty million, thirty-one thousand, two hundred forty-seven".
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