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2881679693 is a prime number
BaseRepresentation
bin1010101111000010…
…1111000101001101
321102211101111101112
42223300233011031
521400202222233
61153540221405
7131260605344
oct25360570515
97384344345
102881679693
1112496a6672
1268509a865
1336c028019
141d4a06b5b
1511cec1048
hexabc2f14d

2881679693 has 2 divisors, whose sum is σ = 2881679694. Its totient is φ = 2881679692.

The previous prime is 2881679663. The next prime is 2881679777. The reversal of 2881679693 is 3969761882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2390525449 + 491154244 = 48893^2 + 22162^2 .

It is a cyclic number.

It is not a de Polignac number, because 2881679693 - 218 = 2881417549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2881679653) 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, 1440839846 + 1440839847.

It is an arithmetic number, because the mean of its divisors is an integer number (1440839847).

Almost surely, 22881679693 is an apocalyptic number.

It is an amenable number.

2881679693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2881679693 is an equidigital number, since it uses as much as digits as its factorization.

2881679693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 59.

The square root of 2881679693 is about 53681.2787943804. The cubic root of 2881679693 is about 1423.0338647436.

The spelling of 2881679693 in words is "two billion, eight hundred eighty-one million, six hundred seventy-nine thousand, six hundred ninety-three".