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105005113454 = 252502556727
BaseRepresentation
bin110000111001011001…
…0101110000001101110
3101001000222122110011002
41201302302232001232
53210022302112304
6120123320000302
710405060511003
oct1416262560156
9331028573132
10105005113454
11405947159aa
1218426000092
139b9573b937
145121a938aa
152ae885131e
hex1872cae06e

105005113454 has 4 divisors (see below), whose sum is σ = 157507670184. Its totient is φ = 52502556726.

The previous prime is 105005113453. The next prime is 105005113481. The reversal of 105005113454 is 454311500501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454311500501 = 1034410791267.

It is a super-2 number, since 2×1050051134542 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105005113453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26251278362 + ... + 26251278365.

It is an arithmetic number, because the mean of its divisors is an integer number (39376917546).

Almost surely, 2105005113454 is an apocalyptic number.

105005113454 is a deficient number, since it is larger than the sum of its proper divisors (52502556730).

105005113454 is an equidigital number, since it uses as much as digits as its factorization.

105005113454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52502556729.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 105005113454 its reverse (454311500501), we get a palindrome (559316613955).

The spelling of 105005113454 in words is "one hundred five billion, five million, one hundred thirteen thousand, four hundred fifty-four".

Divisors: 1 2 52502556727 105005113454