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2770774049 is a prime number
BaseRepresentation
bin1010010100100110…
…1010100000100001
321011002200220110002
42211021222200201
521133304232144
61134535145345
7125443122311
oct24511524041
97132626402
102770774049
1111a203660a
12653b15255
13352066694
141c3db7441
151133b514e
hexa526a821

2770774049 has 2 divisors, whose sum is σ = 2770774050. Its totient is φ = 2770774048.

The previous prime is 2770774037. The next prime is 2770774103. The reversal of 2770774049 is 9404770772.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1670193424 + 1100580625 = 40868^2 + 33175^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770774049 - 228 = 2502338593 is a prime.

It is a super-2 number, since 2×27707740492 = 15354377661223708802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2770773994 and 2770774012.

It is not a weakly prime, because it can be changed into another prime (2770774249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385387024 + 1385387025.

It is an arithmetic number, because the mean of its divisors is an integer number (1385387025).

Almost surely, 22770774049 is an apocalyptic number.

It is an amenable number.

2770774049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770774049 is an equidigital number, since it uses as much as digits as its factorization.

2770774049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The square root of 2770774049 is about 52638.1425299184. The cubic root of 2770774049 is about 1404.5386797832.

The spelling of 2770774049 in words is "two billion, seven hundred seventy million, seven hundred seventy-four thousand, forty-nine".