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105412113497 = 251099419803
BaseRepresentation
bin110001000101100001…
…1010011010001011001
3101002002100111012020202
41202023003103101121
53211341000112442
6120231535231545
710421132116025
oct1421303232131
9332070435222
10105412113497
1140783432079
121851a3785b5
139c2bb61472
14515db5b385
152b1e448c32
hex188b0d3459

105412113497 has 4 divisors (see below), whose sum is σ = 105412784400. Its totient is φ = 105411442596.

The previous prime is 105412113481. The next prime is 105412113523. The reversal of 105412113497 is 794311214501.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 105412113497 - 24 = 105412113481 is a prime.

It is a super-2 number, since 2×1054121134972 (a number of 23 digits) contains 22 as substring.

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 105412113497.

It is not an unprimeable number, because it can be changed into a prime (105412113397) 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, 41198 + ... + 461000.

It is an arithmetic number, because the mean of its divisors is an integer number (26353196100).

Almost surely, 2105412113497 is an apocalyptic number.

It is an amenable number.

105412113497 is a deficient number, since it is larger than the sum of its proper divisors (670903).

105412113497 is an equidigital number, since it uses as much as digits as its factorization.

105412113497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670902.

The product of its (nonzero) digits is 30240, while the sum is 38.

Adding to 105412113497 its reverse (794311214501), we get a palindrome (899723327998).

The spelling of 105412113497 in words is "one hundred five billion, four hundred twelve million, one hundred thirteen thousand, four hundred ninety-seven".

Divisors: 1 251099 419803 105412113497