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1107660081 = 311191766603
BaseRepresentation
bin100001000000101…
…1000110100110001
32212012020221222110
41002001120310301
54232030110311
6301524555533
736306645453
oct10201306461
92765227873
101107660081
11519277460
1226ab52ba9
13148633488
14a71742d3
156739a8a6
hex42058d31

1107660081 has 16 divisors (see below), whose sum is σ = 1695939840. Its totient is φ = 635976720.

The previous prime is 1107660061. The next prime is 1107660161. The reversal of 1107660081 is 1800667011.

It is a happy number.

It is not a de Polignac number, because 1107660081 - 27 = 1107659953 is a prime.

It is a super-2 number, since 2×11076600812 = 2453821710081853122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1107660011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882675 + ... + 883928.

It is an arithmetic number, because the mean of its divisors is an integer number (105996240).

Almost surely, 21107660081 is an apocalyptic number.

1107660081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1107660081 is a deficient number, since it is larger than the sum of its proper divisors (588279759).

1107660081 is a wasteful number, since it uses less digits than its factorization.

1107660081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766636.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1107660081 is about 33281.5276241942. The cubic root of 1107660081 is about 1034.6707412599.

The spelling of 1107660081 in words is "one billion, one hundred seven million, six hundred sixty thousand, eighty-one".

Divisors: 1 3 11 19 33 57 209 627 1766603 5299809 19432633 33565457 58297899 100696371 369220027 1107660081