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2173264741 is a prime number
BaseRepresentation
bin1000000110001001…
…0110001101100101
312121110101021202201
42001202112031211
513422323432431
6555352334501
7104566305544
oct20142261545
95543337681
102173264741
11a15829a6a
125079a4431
1328833068b
141688bc15b
15cabda461
hex81896365

2173264741 has 2 divisors, whose sum is σ = 2173264742. Its totient is φ = 2173264740.

The previous prime is 2173264739. The next prime is 2173264757. The reversal of 2173264741 is 1474623712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2172492100 + 772641 = 46610^2 + 879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173264741 - 21 = 2173264739 is a prime.

Together with 2173264739, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2173264741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173264721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086632370 + 1086632371.

It is an arithmetic number, because the mean of its divisors is an integer number (1086632371).

Almost surely, 22173264741 is an apocalyptic number.

It is an amenable number.

2173264741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173264741 is an equidigital number, since it uses as much as digits as its factorization.

2173264741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 37.

The square root of 2173264741 is about 46618.2876240644. The cubic root of 2173264741 is about 1295.3015285502.

The spelling of 2173264741 in words is "two billion, one hundred seventy-three million, two hundred sixty-four thousand, seven hundred forty-one".