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1831069601 is a prime number
BaseRepresentation
bin110110100100011…
…1110011110100001
311201121110222021122
41231020332132201
512222223211401
6501410102025
763242556224
oct15510763641
94647428248
101831069601
1185a655769
1243127a915
1323247ab4a
141352835bb
15aab4421b
hex6d23e7a1

1831069601 has 2 divisors, whose sum is σ = 1831069602. Its totient is φ = 1831069600.

The previous prime is 1831069567. The next prime is 1831069607. The reversal of 1831069601 is 1069601381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1334002576 + 497067025 = 36524^2 + 22295^2 .

It is an emirp because it is prime and its reverse (1069601381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1831069601 - 230 = 757327777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1831069607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 915534800 + 915534801.

It is an arithmetic number, because the mean of its divisors is an integer number (915534801).

Almost surely, 21831069601 is an apocalyptic number.

It is an amenable number.

1831069601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1831069601 is an equidigital number, since it uses as much as digits as its factorization.

1831069601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1831069601 is about 42790.9990652240. Note that the first 3 decimals coincide. The cubic root of 1831069601 is about 1223.3994592787.

The spelling of 1831069601 in words is "one billion, eight hundred thirty-one million, sixty-nine thousand, six hundred one".