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111241142113 = 166766731339
BaseRepresentation
bin110011110011001111…
…1010001111101100001
3101122010120211112021111
41213212133101331201
53310310213021423
6123034203423321
711015442051403
oct1474637217541
9348116745244
10111241142113
11431a47a75a2
1219686524b41
13a64a697a1a
145553d82b73
152d6105d60d
hex19e67d1f61

111241142113 has 4 divisors (see below), whose sum is σ = 111307875120. Its totient is φ = 111174409108.

The previous prime is 111241142099. The next prime is 111241142119. The reversal of 111241142113 is 311241142111.

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: 311241142111 = 1312375886581.

It is a cyclic number.

It is not a de Polignac number, because 111241142113 - 29 = 111241141601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111241142119) 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, 33364003 + ... + 33367336.

It is an arithmetic number, because the mean of its divisors is an integer number (27826968780).

Almost surely, 2111241142113 is an apocalyptic number.

It is an amenable number.

111241142113 is a deficient number, since it is larger than the sum of its proper divisors (66733007).

111241142113 is an equidigital number, since it uses as much as digits as its factorization.

111241142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66733006.

The product of its digits is 192, while the sum is 22.

Adding to 111241142113 its reverse (311241142111), we get a palindrome (422482284224).

The spelling of 111241142113 in words is "one hundred eleven billion, two hundred forty-one million, one hundred forty-two thousand, one hundred thirteen".

Divisors: 1 1667 66731339 111241142113