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101111110093 = 714444444299
BaseRepresentation
bin101111000101010110…
…0010001100111001101
3100122222121101120202101
41132022230101213031
53124033421010333
6114241053555101
710206425153350
oct1361254214715
9318877346671
10101111110093
1139976649604
1217719aa5a91
1396c4a80336
144c72852297
15296ba6767d
hex178ab119cd

101111110093 has 4 divisors (see below), whose sum is σ = 115555554400. Its totient is φ = 86666665788.

The previous prime is 101111110081. The next prime is 101111110097. The reversal of 101111110093 is 390011111101.

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: 390011111101 = 1971979751833.

It is a cyclic number.

It is not a de Polignac number, because 101111110093 - 233 = 92521175501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101111110093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111110097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7222222143 + ... + 7222222156.

It is an arithmetic number, because the mean of its divisors is an integer number (28888888600).

Almost surely, 2101111110093 is an apocalyptic number.

It is an amenable number.

101111110093 is a deficient number, since it is larger than the sum of its proper divisors (14444444307).

101111110093 is an equidigital number, since it uses as much as digits as its factorization.

101111110093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14444444306.

The product of its (nonzero) digits is 27, while the sum is 19.

Adding to 101111110093 its reverse (390011111101), we get a palindrome (491122221194).

The spelling of 101111110093 in words is "one hundred one billion, one hundred eleven million, one hundred ten thousand, ninety-three".

Divisors: 1 7 14444444299 101111110093