Search a number
-
+
109112997 = 375195857
BaseRepresentation
bin1101000000011…
…10111010100101
321121022111220010
412200032322211
5210413103442
614454400433
72463305460
oct640167245
9247274803
10109112997
1156656234
1230660119
13197b4706
14106c42d7
1598a4b9c
hex680eea5

109112997 has 8 divisors (see below), whose sum is σ = 166267456. Its totient is φ = 62350272.

The previous prime is 109112951. The next prime is 109112999. The reversal of 109112997 is 799211901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109112997 - 26 = 109112933 is a prime.

It is a super-2 number, since 2×1091129972 = 23811292228644018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109112999) 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 7 ways as a sum of consecutive naturals, for example, 2597908 + ... + 2597949.

It is an arithmetic number, because the mean of its divisors is an integer number (20783432).

Almost surely, 2109112997 is an apocalyptic number.

It is an amenable number.

109112997 is a deficient number, since it is larger than the sum of its proper divisors (57154459).

109112997 is an equidigital number, since it uses as much as digits as its factorization.

109112997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195867.

The product of its (nonzero) digits is 10206, while the sum is 39.

The square root of 109112997 is about 10445.7166819707. The cubic root of 109112997 is about 477.8506285023.

The spelling of 109112997 in words is "one hundred nine million, one hundred twelve thousand, nine hundred ninety-seven".

Divisors: 1 3 7 21 5195857 15587571 36370999 109112997