Base | Representation |
---|---|
bin | 1010111110010111… |
… | …1000010111011001 |
3 | 21121022022102002001 |
4 | 2233211320113121 |
5 | 22013130134001 |
6 | 1204153441001 |
7 | 133001050051 |
oct | 25745702731 |
9 | 7538272061 |
10 | 2945943001 |
11 | 12819a9641 |
12 | 6a2710161 |
13 | 37c438651 |
14 | 1dd374561 |
15 | 123967001 |
hex | af9785d9 |
2945943001 has 4 divisors (see below), whose sum is σ = 2946053632. Its totient is φ = 2945832372.
The previous prime is 2945942981. The next prime is 2945943019. The reversal of 2945943001 is 1003495492.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is not a de Polignac number, because 2945943001 - 211 = 2945940953 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2945943031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11656 + ... + 77638.
It is an arithmetic number, because the mean of its divisors is an integer number (736513408).
Almost surely, 22945943001 is an apocalyptic number.
It is an amenable number.
2945943001 is a deficient number, since it is larger than the sum of its proper divisors (110631).
2945943001 is an equidigital number, since it uses as much as digits as its factorization.
2945943001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110630.
The product of its (nonzero) digits is 38880, while the sum is 37.
The square root of 2945943001 is about 54276.5419034780. The cubic root of 2945943001 is about 1433.5343809507.
The spelling of 2945943001 in words is "two billion, nine hundred forty-five million, nine hundred forty-three thousand, one".
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