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1157110027 = 2275097401
BaseRepresentation
bin100010011111000…
…0001100100001011
32222122022021112221
41010332001210023
54332210010102
6310452514511
740450162423
oct10476014413
92878267487
101157110027
11544181987
1228361ba37
131559583b8
14ad967483
156b8b7637
hex44f8190b

1157110027 has 4 divisors (see below), whose sum is σ = 1162207656. Its totient is φ = 1152012400.

The previous prime is 1157109997. The next prime is 1157110069. The reversal of 1157110027 is 7200117511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1157110027 is a prime.

It is a super-2 number, since 2×11571100272 = 2677807229167881458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157109983 and 1157110010.

It is not an unprimeable number, because it can be changed into a prime (1157110727) 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 in 3 ways as a sum of consecutive naturals, for example, 2548474 + ... + 2548927.

It is an arithmetic number, because the mean of its divisors is an integer number (290551914).

Almost surely, 21157110027 is an apocalyptic number.

1157110027 is a deficient number, since it is larger than the sum of its proper divisors (5097629).

1157110027 is an equidigital number, since it uses as much as digits as its factorization.

1157110027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5097628.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 1157110027 is about 34016.3200096659. The cubic root of 1157110027 is about 1049.8442783428.

Adding to 1157110027 its reverse (7200117511), we get a palindrome (8357227538).

The spelling of 1157110027 in words is "one billion, one hundred fifty-seven million, one hundred ten thousand, twenty-seven".

Divisors: 1 227 5097401 1157110027