Base | Representation |
---|---|
bin | 111101010101001… |
… | …0001011101001101 |
3 | 12022102022020200221 |
4 | 1322222101131031 |
5 | 13203310330101 |
6 | 540111551341 |
7 | 101665606666 |
oct | 17252213515 |
9 | 5272266627 |
10 | 2057901901 |
11 | 9666a5180 |
12 | 49522b551 |
13 | 26a46b343 |
14 | 15744c36d |
15 | c09edaa1 |
hex | 7aa9174d |
2057901901 has 32 divisors (see below), whose sum is σ = 2423685888. Its totient is φ = 1726525440.
The previous prime is 2057901893. The next prime is 2057901907. The reversal of 2057901901 is 1091097502.
It is not a de Polignac number, because 2057901901 - 23 = 2057901893 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 (2057901907) 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 31 ways as a sum of consecutive naturals, for example, 3180360 + ... + 3181006.
It is an arithmetic number, because the mean of its divisors is an integer number (75740184).
Almost surely, 22057901901 is an apocalyptic number.
It is an amenable number.
2057901901 is a deficient number, since it is larger than the sum of its proper divisors (365783987).
2057901901 is a wasteful number, since it uses less digits than its factorization.
2057901901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 981.
The product of its (nonzero) digits is 5670, while the sum is 34.
The square root of 2057901901 is about 45364.1036613753. The cubic root of 2057901901 is about 1271.9642040363.
The spelling of 2057901901 in words is "two billion, fifty-seven million, nine hundred one thousand, nine hundred one".
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