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2820148589473 is a prime number
BaseRepresentation
bin101001000010011101111…
…101000111001110100001
3100222121022000002222122021
4221002131331013032201
5332201131014330343
65555320335341441
7410514624330325
oct51023575071641
910877260088567
102820148589473
119980223a3016
12396692081881
13175c28912527
149a6d2b39985
154d55a0dc0ed
hex2909df473a1

2820148589473 has 2 divisors, whose sum is σ = 2820148589474. Its totient is φ = 2820148589472.

The previous prime is 2820148589441. The next prime is 2820148589497. The reversal of 2820148589473 is 3749858410282.

It is a happy number.

2820148589473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2355451423504 + 464697165969 = 1534748^2 + 681687^2 .

It is a cyclic number.

It is not a de Polignac number, because 2820148589473 - 25 = 2820148589441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2820148589873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410074294736 + 1410074294737.

It is an arithmetic number, because the mean of its divisors is an integer number (1410074294737).

Almost surely, 22820148589473 is an apocalyptic number.

It is an amenable number.

2820148589473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2820148589473 is an equidigital number, since it uses as much as digits as its factorization.

2820148589473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 2820148589473 in words is "two trillion, eight hundred twenty billion, one hundred forty-eight million, five hundred eighty-nine thousand, four hundred seventy-three".