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2720456941 is a prime number
BaseRepresentation
bin1010001000100110…
…1110000011101101
321000121000112100111
42202021232003231
521032414110231
61125540500021
7124262334226
oct24211560355
97017015314
102720456941
111176699624
1263b0aa611
133447c9b47
141bb43a24d
1510dc764b1
hexa226e0ed

2720456941 has 2 divisors, whose sum is σ = 2720456942. Its totient is φ = 2720456940.

The previous prime is 2720456929. The next prime is 2720457007. The reversal of 2720456941 is 1496540272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2565827716 + 154629225 = 50654^2 + 12435^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720456941 - 215 = 2720424173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2720456894 and 2720456903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720451941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360228470 + 1360228471.

It is an arithmetic number, because the mean of its divisors is an integer number (1360228471).

Almost surely, 22720456941 is an apocalyptic number.

It is an amenable number.

2720456941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720456941 is an equidigital number, since it uses as much as digits as its factorization.

2720456941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2720456941 is about 52157.9997795161. Note that the first 3 decimals coincide. The cubic root of 2720456941 is about 1395.9845725136.

The spelling of 2720456941 in words is "two billion, seven hundred twenty million, four hundred fifty-six thousand, nine hundred forty-one".