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2920542782987 is a prime number
BaseRepresentation
bin101010011111111101111…
…010100100011000001011
3101100012102122111102201202
4222133331322210120023
5340322232423023422
610113402343334415
7421000526025134
oct52377572443013
911305378442652
102920542782987
11a26660298585
123b202ba5140b
13182537cac66b
14a14d828cc8b
1550e83c3eb92
hex2a7fdea460b

2920542782987 has 2 divisors, whose sum is σ = 2920542782988. Its totient is φ = 2920542782986.

The previous prime is 2920542782873. The next prime is 2920542783071. The reversal of 2920542782987 is 7892872450292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2920542782987 - 210 = 2920542781963 is a prime.

It is a super-3 number, since 3×29205427829873 (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2920542781987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1460271391493 + 1460271391494.

It is an arithmetic number, because the mean of its divisors is an integer number (1460271391494).

Almost surely, 22920542782987 is an apocalyptic number.

2920542782987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2920542782987 is an equidigital number, since it uses as much as digits as its factorization.

2920542782987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 2920542782987 in words is "two trillion, nine hundred twenty billion, five hundred forty-two million, seven hundred eighty-two thousand, nine hundred eighty-seven".