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107738081 = 119794371
BaseRepresentation
bin1100110101111…
…11001111100001
321111201122212022
412122333033201
5210040104311
614405111225
72445521123
oct632771741
9244648768
10107738081
11558a7240
12300b8515
1319422959
1410447213
1596d25db
hex66bf3e1

107738081 has 4 divisors (see below), whose sum is σ = 117532464. Its totient is φ = 97943700.

The previous prime is 107738069. The next prime is 107738083. The reversal of 107738081 is 180837701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180837701 = 1116439791.

It is a cyclic number.

It is not a de Polignac number, because 107738081 - 222 = 103543777 is a prime.

It is a super-2 number, since 2×1077380812 = 23214988195125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107738083) 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 in 3 ways as a sum of consecutive naturals, for example, 4897175 + ... + 4897196.

It is an arithmetic number, because the mean of its divisors is an integer number (29383116).

Almost surely, 2107738081 is an apocalyptic number.

107738081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

107738081 is a deficient number, since it is larger than the sum of its proper divisors (9794383).

107738081 is an equidigital number, since it uses as much as digits as its factorization.

107738081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9794382.

The product of its (nonzero) digits is 9408, while the sum is 35.

The square root of 107738081 is about 10379.6956121073. The cubic root of 107738081 is about 475.8350312801.

The spelling of 107738081 in words is "one hundred seven million, seven hundred thirty-eight thousand, eighty-one".

Divisors: 1 11 9794371 107738081