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2770642481 is a prime number
BaseRepresentation
bin1010010100100100…
…1010011000110001
321011002110012222012
42211021022120301
521133241024411
61134532252305
7125442033605
oct24511123061
97132405865
102770642481
1111a1a56782
12653a71095
1335201b829
141c3d81505
1511338b18b
hexa524a631

2770642481 has 2 divisors, whose sum is σ = 2770642482. Its totient is φ = 2770642480.

The previous prime is 2770642463. The next prime is 2770642487. The reversal of 2770642481 is 1842460772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2670822400 + 99820081 = 51680^2 + 9991^2 .

It is a cyclic number.

It is not a de Polignac number, because 2770642481 - 214 = 2770626097 is a prime.

It is a super-2 number, since 2×27706424812 = 15352919515043670722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2770642487) 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, 1385321240 + 1385321241.

It is an arithmetic number, because the mean of its divisors is an integer number (1385321241).

Almost surely, 22770642481 is an apocalyptic number.

It is an amenable number.

2770642481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2770642481 is an equidigital number, since it uses as much as digits as its factorization.

2770642481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 2770642481 is about 52636.8927749350. The cubic root of 2770642481 is about 1404.5164482976.

The spelling of 2770642481 in words is "two billion, seven hundred seventy million, six hundred forty-two thousand, four hundred eighty-one".