Search a number
-
+
2986379401 is a prime number
BaseRepresentation
bin1011001000000000…
…1000100010001001
321201010101210101111
42302000020202021
522104003120101
61212200250321
7134001543325
oct26200104211
97633353344
102986379401
1112a2808055
126b41709a1
13387925a05
1420489c985
151272a3251
hexb2008889

2986379401 has 2 divisors, whose sum is σ = 2986379402. Its totient is φ = 2986379400.

The previous prime is 2986379399. The next prime is 2986379447. The reversal of 2986379401 is 1049736892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2352347001 + 634032400 = 48501^2 + 25180^2 .

It is a cyclic number.

It is not a de Polignac number, because 2986379401 - 21 = 2986379399 is a prime.

Together with 2986379399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2986379801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493189700 + 1493189701.

It is an arithmetic number, because the mean of its divisors is an integer number (1493189701).

Almost surely, 22986379401 is an apocalyptic number.

It is an amenable number.

2986379401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2986379401 is an equidigital number, since it uses as much as digits as its factorization.

2986379401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 2986379401 is about 54647.7758101828. The cubic root of 2986379401 is about 1440.0635583122.

The spelling of 2986379401 in words is "two billion, nine hundred eighty-six million, three hundred seventy-nine thousand, four hundred one".