Base | Representation |
---|---|
bin | 1010111111100100… |
… | …0100000000011101 |
3 | 21121122202212202211 |
4 | 2233321010000131 |
5 | 22020422041141 |
6 | 1204453320421 |
7 | 133061562136 |
oct | 25771040035 |
9 | 7548685684 |
10 | 2950971421 |
11 | 1284823562 |
12 | 6a4336111 |
13 | 3804a9348 |
14 | 1ddcc2c8d |
15 | 12410bd81 |
hex | afe4401d |
2950971421 has 2 divisors, whose sum is σ = 2950971422. Its totient is φ = 2950971420.
The previous prime is 2950971409. The next prime is 2950971467. The reversal of 2950971421 is 1241790592.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 2521445796 + 429525625 = 50214^2 + 20725^2 .
It is a cyclic number.
It is not a de Polignac number, because 2950971421 - 223 = 2942582813 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2950971521) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475485710 + 1475485711.
It is an arithmetic number, because the mean of its divisors is an integer number (1475485711).
Almost surely, 22950971421 is an apocalyptic number.
It is an amenable number.
2950971421 is a deficient number, since it is larger than the sum of its proper divisors (1).
2950971421 is an equidigital number, since it uses as much as digits as its factorization.
2950971421 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 45360, while the sum is 40.
The square root of 2950971421 is about 54322.8443750877. The cubic root of 2950971421 is about 1434.3495489626.
The spelling of 2950971421 in words is "two billion, nine hundred fifty million, nine hundred seventy-one thousand, four hundred twenty-one".
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