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279320706061 is a prime number
BaseRepresentation
bin1000001000010001100…
…11111011110000001101
3222200222100012001101121
410010020303323300031
514034022100043221
6332152420040541
726115553553545
oct4041063736015
9880870161347
10279320706061
11a8506290731
1246173b33151
13204557b44c7
14d73a952325
1573ebeb0a41
hex4108cfbc0d

279320706061 has 2 divisors, whose sum is σ = 279320706062. Its totient is φ = 279320706060.

The previous prime is 279320706047. The next prime is 279320706083. The reversal of 279320706061 is 160607023972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260171404900 + 19149301161 = 510070^2 + 138381^2 .

It is a cyclic number.

It is not a de Polignac number, because 279320706061 - 225 = 279287151629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 279320705999 and 279320706017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (279320706461) 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 as a sum of consecutive naturals, namely, 139660353030 + 139660353031.

It is an arithmetic number, because the mean of its divisors is an integer number (139660353031).

Almost surely, 2279320706061 is an apocalyptic number.

It is an amenable number.

279320706061 is a deficient number, since it is larger than the sum of its proper divisors (1).

279320706061 is an equidigital number, since it uses as much as digits as its factorization.

279320706061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 279320706061 in words is "two hundred seventy-nine billion, three hundred twenty million, seven hundred six thousand, sixty-one".