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107126653 = 997107449
BaseRepresentation
bin1100110001010…
…01111101111101
321110120121010211
412120221331331
5204411023103
614344032421
72440363414
oct630517575
9243517124
10107126653
1155519927
122ba62711
131926a56a
141032847b
15961136d
hex6629f7d

107126653 has 4 divisors (see below), whose sum is σ = 107235100. Its totient is φ = 107018208.

The previous prime is 107126647. The next prime is 107126683. The reversal of 107126653 is 356621701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 356621701 = 834296647.

It can be written as a sum of positive squares in 2 ways, for example, as 38601369 + 68525284 = 6213^2 + 8278^2 .

It is a cyclic number.

It is not a de Polignac number, because 107126653 - 29 = 107126141 is a prime.

It is a super-3 number, since 3×1071266533 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107126603) 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, 52728 + ... + 54721.

It is an arithmetic number, because the mean of its divisors is an integer number (26808775).

Almost surely, 2107126653 is an apocalyptic number.

It is an amenable number.

107126653 is a deficient number, since it is larger than the sum of its proper divisors (108447).

107126653 is an equidigital number, since it uses as much as digits as its factorization.

107126653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108446.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 107126653 is about 10350.2006260748. The cubic root of 107126653 is about 474.9331806285.

The spelling of 107126653 in words is "one hundred seven million, one hundred twenty-six thousand, six hundred fifty-three".

Divisors: 1 997 107449 107126653