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107817091 is a prime number
BaseRepresentation
bin1100110110100…
…10100010000011
321111212200020121
412123102202003
5210100121331
614410521111
72446300354
oct633224203
9244780217
10107817091
1155950638
1230136197
131944c8c5
1410467d2b
1596eac11
hex66d2883

107817091 has 2 divisors, whose sum is σ = 107817092. Its totient is φ = 107817090.

The previous prime is 107817071. The next prime is 107817097. The reversal of 107817091 is 190718701.

It is a strong prime.

It is an emirp because it is prime and its reverse (190718701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107817091 - 219 = 107292803 is a prime.

It is a super-2 number, since 2×1078170912 = 23249050223404562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107817097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53908545 + 53908546.

It is an arithmetic number, because the mean of its divisors is an integer number (53908546).

Almost surely, 2107817091 is an apocalyptic number.

107817091 is a deficient number, since it is larger than the sum of its proper divisors (1).

107817091 is an equidigital number, since it uses as much as digits as its factorization.

107817091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The square root of 107817091 is about 10383.5009028747. The cubic root of 107817091 is about 475.9513211406.

The spelling of 107817091 in words is "one hundred seven million, eight hundred seventeen thousand, ninety-one".