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105231323241405 = 3258339928039591
BaseRepresentation
bin10111111011010100010011…
…101001000001101110111101
3111210121000102211220212112100
4113323110103221001232331
5102243102222222211110
61011450334051055313
731110466201050054
oct2773242351015675
9453530384825470
10105231323241405
113059139865a7a9
12b9766512a1539
13469436aaa603a
141bdb31a73539b
15c27495320bc0
hex5fb513a41bbd

105231323241405 has 24 divisors (see below), whose sum is σ = 182403153878400. Its totient is φ = 56122697443680.

The previous prime is 105231323241391. The next prime is 105231323241439. The reversal of 105231323241405 is 504142323132501.

105231323241405 is a `hidden beast` number, since 1 + 0 + 5 + 2 + 3 + 1 + 3 + 2 + 3 + 241 + 405 = 666.

It is not a de Polignac number, because 105231323241405 - 27 = 105231323241277 is a prime.

It is a super-2 number, since 2×1052313232414052 (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105231323241405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10266841 + ... + 17772750.

It is an arithmetic number, because the mean of its divisors is an integer number (7600131411600).

Almost surely, 2105231323241405 is an apocalyptic number.

105231323241405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105231323241405 is a deficient number, since it is larger than the sum of its proper divisors (77171830636995).

105231323241405 is a wasteful number, since it uses less digits than its factorization.

105231323241405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28123001 (or 28122998 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 105231323241405 its reverse (504142323132501), we get a palindrome (609373646373906).

The spelling of 105231323241405 in words is "one hundred five trillion, two hundred thirty-one billion, three hundred twenty-three million, two hundred forty-one thousand, four hundred five".

Divisors: 1 3 5 9 15 45 83399 250197 416995 750591 1250985 3752955 28039591 84118773 140197955 252356319 420593865 1261781595 2338473849809 7015421549427 11692369249045 21046264648281 35077107747135 105231323241405