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2028471553 is a prime number
BaseRepresentation
bin111100011101000…
…0000010100000001
312020100221000212001
41320322000110001
513123242042203
6533141104001
7101160503143
oct17072002401
95210830761
102028471553
11951023779
124873b8001
13264335734
1415358ac93
15bd13891d
hex78e80501

2028471553 has 2 divisors, whose sum is σ = 2028471554. Its totient is φ = 2028471552.

The previous prime is 2028471541. The next prime is 2028471581. The reversal of 2028471553 is 3551748202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2018435329 + 10036224 = 44927^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2028471553 - 221 = 2026374401 is a prime.

It is a super-2 number, since 2×20284715532 = 8229393682660463618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2028471503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014235776 + 1014235777.

It is an arithmetic number, because the mean of its divisors is an integer number (1014235777).

Almost surely, 22028471553 is an apocalyptic number.

It is an amenable number.

2028471553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2028471553 is an equidigital number, since it uses as much as digits as its factorization.

2028471553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2028471553 is about 45038.5562934693. The cubic root of 2028471553 is about 1265.8715534036.

The spelling of 2028471553 in words is "two billion, twenty-eight million, four hundred seventy-one thousand, five hundred fifty-three".