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111024143401 = 389285409109
BaseRepresentation
bin110011101100110001…
…1011111110000101001
3101121120110111212000011
41213121203133300221
53304334140042101
6123000452411521
711010165435163
oct1473143376051
9347513455004
10111024143401
11430a3264216
1219625916ba1
13a61473b412
145533217933
152d4be97751
hex19d98dfc29

111024143401 has 4 divisors (see below), whose sum is σ = 111309552900. Its totient is φ = 110738733904.

The previous prime is 111024143381. The next prime is 111024143467. The reversal of 111024143401 is 104341420111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104341420111 = 419249024869.

It can be written as a sum of positive squares in 2 ways, for example, as 31555969600 + 79468173801 = 177640^2 + 281901^2 .

It is a cyclic number.

It is not a de Polignac number, because 111024143401 - 27 = 111024143273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111024143471) 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, 142704166 + ... + 142704943.

It is an arithmetic number, because the mean of its divisors is an integer number (27827388225).

Almost surely, 2111024143401 is an apocalyptic number.

It is an amenable number.

111024143401 is a deficient number, since it is larger than the sum of its proper divisors (285409499).

111024143401 is an equidigital number, since it uses as much as digits as its factorization.

111024143401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285409498.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111024143401 its reverse (104341420111), we get a palindrome (215365563512).

The spelling of 111024143401 in words is "one hundred eleven billion, twenty-four million, one hundred forty-three thousand, four hundred one".

Divisors: 1 389 285409109 111024143401