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111400123312031 = 431446357913727
BaseRepresentation
bin11001010101000101011100…
…110001110010011110011111
3112121102202012010120110220012
4121111011130301302132133
5104100134423031441111
61032532302105313435
732315251622354111
oct3125053461623637
9477382163513805
10111400123312031
113254a588461654
12105b210ba9587b
134a20ca95c1918
141d71b1aa893b1
15cd2b8d5ce48b
hex65515cc7279f

111400123312031 has 8 divisors (see below), whose sum is σ = 111683612934144. Its totient is φ = 111116749527160.

The previous prime is 111400123311991. The next prime is 111400123312039. The reversal of 111400123312031 is 130213321004111.

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

It is a cyclic number.

It is not a de Polignac number, because 111400123312031 - 214 = 111400123295647 is a prime.

It is a super-2 number, since 2×1114001233120312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111400123311988 and 111400123312006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400123312039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27033311 + ... + 30880416.

It is an arithmetic number, because the mean of its divisors is an integer number (13960451616768).

Almost surely, 2111400123312031 is an apocalyptic number.

111400123312031 is a deficient number, since it is larger than the sum of its proper divisors (283489622113).

111400123312031 is an equidigital number, since it uses as much as digits as its factorization.

111400123312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57918621.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 111400123312031 its reverse (130213321004111), we get a palindrome (241613444316142).

The spelling of 111400123312031 in words is "one hundred eleven trillion, four hundred billion, one hundred twenty-three million, three hundred twelve thousand, thirty-one".

Divisors: 1 431 4463 1923553 57913727 24960816337 258468963601 111400123312031