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109136667169 = 978711151187
BaseRepresentation
bin110010110100100001…
…1010110001000100001
3101102200220220010101001
41211221003112020201
53242002441322134
6122045305312001
710612336236055
oct1455103261041
9342626803331
10109136667169
1142314892402
1219199795601
13a3a36a108a
1453d468dc65
152c8b410414
hex19690d6221

109136667169 has 4 divisors (see below), whose sum is σ = 109147828144. Its totient is φ = 109125506196.

The previous prime is 109136667139. The next prime is 109136667197. The reversal of 109136667169 is 961766631901.

It is a happy number.

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: 961766631901 = 4911958791511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-109136667169 is a prime.

It is a super-2 number, since 2×1091366671692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109136667139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5565807 + ... + 5585380.

It is an arithmetic number, because the mean of its divisors is an integer number (27286957036).

Almost surely, 2109136667169 is an apocalyptic number.

It is an amenable number.

109136667169 is a deficient number, since it is larger than the sum of its proper divisors (11160975).

109136667169 is an equidigital number, since it uses as much as digits as its factorization.

109136667169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160974.

The product of its (nonzero) digits is 2204496, while the sum is 55.

The spelling of 109136667169 in words is "one hundred nine billion, one hundred thirty-six million, six hundred sixty-seven thousand, one hundred sixty-nine".

Divisors: 1 9787 11151187 109136667169