Base | Representation |
---|---|
bin | 111100001101000… |
… | …0110011010101111 |
3 | 12012210012010011000 |
4 | 1320122012122233 |
5 | 13114121423301 |
6 | 532241531343 |
7 | 101026430361 |
oct | 17032063257 |
9 | 5183163130 |
10 | 2020107951 |
11 | 947331004 |
12 | 484643b53 |
13 | 262697964 |
14 | 152410d31 |
15 | bc535786 |
hex | 786866af |
2020107951 has 8 divisors (see below), whose sum is σ = 2992752560. Its totient is φ = 1346738616.
The previous prime is 2020107941. The next prime is 2020107953. The reversal of 2020107951 is 1597010202.
It is not a de Polignac number, because 2020107951 - 217 = 2019976879 is a prime.
It is a super-2 number, since 2×20201079512 = 8161672267386836802, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 74818813 = 2020107951 / (2 + 0 + 2 + 0 + 1 + 0 + 7 + 9 + 5 + 1).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020107953) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37409380 + ... + 37409433.
It is an arithmetic number, because the mean of its divisors is an integer number (374094070).
Almost surely, 22020107951 is an apocalyptic number.
2020107951 is a deficient number, since it is larger than the sum of its proper divisors (972644609).
2020107951 is an equidigital number, since it uses as much as digits as its factorization.
2020107951 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74818822 (or 74818816 counting only the distinct ones).
The product of its (nonzero) digits is 1260, while the sum is 27.
The square root of 2020107951 is about 44945.6110315568. The cubic root of 2020107951 is about 1264.1293828780.
The spelling of 2020107951 in words is "two billion, twenty million, one hundred seven thousand, nine hundred fifty-one".
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