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2150004457 is a prime number
BaseRepresentation
bin1000000000100110…
…0111011011101001
312112211121112122201
42000021213123221
513400400120312
6553202020201
7104164510366
oct20011473351
95484545581
102150004457
11a03692197
12500047661
132835782b3
1416578546d
15c8b43557
hex802676e9

2150004457 has 2 divisors, whose sum is σ = 2150004458. Its totient is φ = 2150004456.

The previous prime is 2150004403. The next prime is 2150004481. The reversal of 2150004457 is 7544000512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2148878736 + 1125721 = 46356^2 + 1061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150004457 - 211 = 2150002409 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150004497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075002228 + 1075002229.

It is an arithmetic number, because the mean of its divisors is an integer number (1075002229).

Almost surely, 22150004457 is an apocalyptic number.

It is an amenable number.

2150004457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150004457 is an equidigital number, since it uses as much as digits as its factorization.

2150004457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2150004457 is about 46368.1405385206. The cubic root of 2150004457 is about 1290.6637725315.

Adding to 2150004457 its reverse (7544000512), we get a palindrome (9694004969).

The spelling of 2150004457 in words is "two billion, one hundred fifty million, four thousand, four hundred fifty-seven".